71037421263 has 12 divisors (see below), whose sum is σ = 108645468048. Its totient is φ = 44572499520.

The previous prime is 71037421261. The next prime is 71037421283. The reversal of 71037421263 is 36212473017.

71037421263 is a `hidden beast` number, since 7 + 1 + 0 + 374 + 21 + 263 = 666.

It is not a de Polignac number, because 71037421263 - 2¹ = 71037421261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71037421261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232148283 + ... + 232148588.

It is an arithmetic number, because the mean of its divisors is an integer number (9053789004).

Almost surely, 2^71037421263 is an apocalyptic number.

71037421263 is a deficient number, since it is larger than the sum of its proper divisors (37608046785).

71037421263 is a wasteful number, since it uses less digits than its factorization.

71037421263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464296894 (or 464296891 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 71037421263 in words is "seventy-one billion, thirty-seven million, four hundred twenty-one thousand, two hundred sixty-three".