47564126639 has 2 divisors, whose sum is σ = 47564126640. Its totient is φ = 47564126638.

The previous prime is 47564126627. The next prime is 47564126663. The reversal of 47564126639 is 93662146574.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47564126639 is a prime.

It is a super-2 number, since 2×47564126639² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47564126689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23782063319 + 23782063320.

It is an arithmetic number, because the mean of its divisors is an integer number (23782063320).

Almost surely, 2^47564126639 is an apocalyptic number.

47564126639 is a deficient number, since it is larger than the sum of its proper divisors (1).

47564126639 is an equidigital number, since it uses as much as digits as its factorization.

47564126639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 53.

The spelling of 47564126639 in words is "forty-seven billion, five hundred sixty-four million, one hundred twenty-six thousand, six hundred thirty-nine".