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2642422631 is a prime number
BaseRepresentation
bin1001110110000000…
…0010101101100111
320211011011222101212
42131200002231213
520402430011011
61114112142035
7122324136032
oct23540025547
96734158355
102642422631
111136640262
12618b3791b
133315a73b4
141b0d26019
15106eb008b
hex9d802b67

2642422631 has 2 divisors, whose sum is σ = 2642422632. Its totient is φ = 2642422630.

The previous prime is 2642422613. The next prime is 2642422649. The reversal of 2642422631 is 1362242462.

It is a happy number.

Together with previous prime (2642422613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (2642422613) and next prime (2642422649).

It is a cyclic number.

It is not a de Polignac number, because 2642422631 - 26 = 2642422567 is a prime.

It is a super-2 number, since 2×26424226312 = 13964794721641924322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642422231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321211315 + 1321211316.

It is an arithmetic number, because the mean of its divisors is an integer number (1321211316).

Almost surely, 22642422631 is an apocalyptic number.

2642422631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642422631 is an equidigital number, since it uses as much as digits as its factorization.

2642422631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 32.

The square root of 2642422631 is about 51404.5001045628. The cubic root of 2642422631 is about 1382.5072795163.

The spelling of 2642422631 in words is "two billion, six hundred forty-two million, four hundred twenty-two thousand, six hundred thirty-one".