71403832563 has 16 divisors (see below), whose sum is σ = 109064299776. Its totient is φ = 40705267680.

The previous prime is 71403832553. The next prime is 71403832573. The reversal of 71403832563 is 36523830417.

It is an interprime number because it is at equal distance from previous prime (71403832553) and next prime (71403832573).

It is not a de Polignac number, because 71403832563 - 2¹⁸ = 71403570419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71403832553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4029381 + ... + 4047062.

It is an arithmetic number, because the mean of its divisors is an integer number (6816518736).

Almost surely, 2^71403832563 is an apocalyptic number.

71403832563 is a deficient number, since it is larger than the sum of its proper divisors (37660467213).

71403832563 is a wasteful number, since it uses less digits than its factorization.

71403832563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076874.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 71403832563 in words is "seventy-one billion, four hundred three million, eight hundred thirty-two thousand, five hundred sixty-three".