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2909486479 is a prime number
BaseRepresentation
bin1010110101101011…
…0011110110001111
321111202201020010111
42231122303312033
521424312031404
61200412220451
7132046140604
oct25532636617
97452636114
102909486479
111263369289
1269246a727
13374a12943
141d85a46ab
15120665104
hexad6b3d8f

2909486479 has 2 divisors, whose sum is σ = 2909486480. Its totient is φ = 2909486478.

The previous prime is 2909486417. The next prime is 2909486483. The reversal of 2909486479 is 9746849092.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2909486479 - 29 = 2909485967 is a prime.

It is a super-2 number, since 2×29094864792 = 16930223142967634882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2909486779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454743239 + 1454743240.

It is an arithmetic number, because the mean of its divisors is an integer number (1454743240).

Almost surely, 22909486479 is an apocalyptic number.

2909486479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2909486479 is an equidigital number, since it uses as much as digits as its factorization.

2909486479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The square root of 2909486479 is about 53939.6559036114. The cubic root of 2909486479 is about 1427.5964119755.

The spelling of 2909486479 in words is "two billion, nine hundred nine million, four hundred eighty-six thousand, four hundred seventy-nine".