47929562281 has 2 divisors, whose sum is σ = 47929562282. Its totient is φ = 47929562280.

The previous prime is 47929562231. The next prime is 47929562297. The reversal of 47929562281 is 18226592974.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24354723600 + 23574838681 = 156060^2 + 153541^2 .

It is a cyclic number.

It is not a de Polignac number, because 47929562281 - 2²⁹ = 47392691369 is a prime.

It is a super-2 number, since 2×47929562281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47929562231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23964781140 + 23964781141.

It is an arithmetic number, because the mean of its divisors is an integer number (23964781141).

Almost surely, 2^47929562281 is an apocalyptic number.

It is an amenable number.

47929562281 is a deficient number, since it is larger than the sum of its proper divisors (1).

47929562281 is an equidigital number, since it uses as much as digits as its factorization.

47929562281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 55.

The spelling of 47929562281 in words is "forty-seven billion, nine hundred twenty-nine million, five hundred sixty-two thousand, two hundred eighty-one".