47610992861 has 2 divisors, whose sum is σ = 47610992862. Its totient is φ = 47610992860.

The previous prime is 47610992857. The next prime is 47610992893. The reversal of 47610992861 is 16829901674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39389943961 + 8221048900 = 198469^2 + 90670^2 .

It is a cyclic number.

It is not a de Polignac number, because 47610992861 - 2² = 47610992857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47610992801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23805496430 + 23805496431.

It is an arithmetic number, because the mean of its divisors is an integer number (23805496431).

Almost surely, 2^47610992861 is an apocalyptic number.

It is an amenable number.

47610992861 is a deficient number, since it is larger than the sum of its proper divisors (1).

47610992861 is an equidigital number, since it uses as much as digits as its factorization.

47610992861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 47610992861 in words is "forty-seven billion, six hundred ten million, nine hundred ninety-two thousand, eight hundred sixty-one".