47108639801 has 2 divisors, whose sum is σ = 47108639802. Its totient is φ = 47108639800.

The previous prime is 47108639761. The next prime is 47108639807. The reversal of 47108639801 is 10893680174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40559946025 + 6548693776 = 201395^2 + 80924^2 .

It is a cyclic number.

It is not a de Polignac number, because 47108639801 - 2²² = 47104445497 is a prime.

It is a super-2 number, since 2×47108639801² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47108639807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23554319900 + 23554319901.

It is an arithmetic number, because the mean of its divisors is an integer number (23554319901).

Almost surely, 2^47108639801 is an apocalyptic number.

It is an amenable number.

47108639801 is a deficient number, since it is larger than the sum of its proper divisors (1).

47108639801 is an equidigital number, since it uses as much as digits as its factorization.

47108639801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 47108639801 in words is "forty-seven billion, one hundred eight million, six hundred thirty-nine thousand, eight hundred one".