47447564434 has 16 divisors (see below), whose sum is σ = 75375427608. Its totient is φ = 22323071232.

The previous prime is 47447564407. The next prime is 47447564443. The reversal of 47447564434 is 43446574474.

It can be written as a sum of positive squares in 4 ways, for example, as 47372828409 + 74736025 = 217653^2 + 8645^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12009 + ... + 308284.

Almost surely, 2^47447564434 is an apocalyptic number.

47447564434 is a deficient number, since it is larger than the sum of its proper divisors (27927863174).

47447564434 is a wasteful number, since it uses less digits than its factorization.

47447564434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324669.

The product of its digits is 18063360, while the sum is 52.

The spelling of 47447564434 in words is "forty-seven billion, four hundred forty-seven million, five hundred sixty-four thousand, four hundred thirty-four".