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2642892877 is a prime number
BaseRepresentation
bin1001110110000111…
…0101100001001101
320211012001212110101
42131201311201031
520403040033002
61114130211101
7122331135022
oct23541654115
96735055411
102642892877
111136931599
12619123a91
13331710451
141b1009549
15107054587
hex9d87584d

2642892877 has 2 divisors, whose sum is σ = 2642892878. Its totient is φ = 2642892876.

The previous prime is 2642892839. The next prime is 2642892899. The reversal of 2642892877 is 7782982462.

2642892877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2314956996 + 327935881 = 48114^2 + 18109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642892877 - 211 = 2642890829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642892377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321446438 + 1321446439.

It is an arithmetic number, because the mean of its divisors is an integer number (1321446439).

Almost surely, 22642892877 is an apocalyptic number.

It is an amenable number.

2642892877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642892877 is an equidigital number, since it uses as much as digits as its factorization.

2642892877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 55.

The square root of 2642892877 is about 51409.0738780616. The cubic root of 2642892877 is about 1382.5892850655.

The spelling of 2642892877 in words is "two billion, six hundred forty-two million, eight hundred ninety-two thousand, eight hundred seventy-seven".