1043637264872 has 8 divisors (see below), whose sum is σ = 1956819871650. Its totient is φ = 521818632432.

The previous prime is 1043637264869. The next prime is 1043637265009. The reversal of 1043637264872 is 2784627363401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1014544504516 + 29092760356 = 1007246^2 + 170566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65227329047 + ... + 65227329062.

Almost surely, 2^{1043637264872} is an apocalyptic number.

It is an amenable number.

1043637264872 is a deficient number, since it is larger than the sum of its proper divisors (913182606778).

1043637264872 is a wasteful number, since it uses less digits than its factorization.

1043637264872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130454658115 (or 130454658111 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 1043637264872 in words is "one trillion, forty-three billion, six hundred thirty-seven million, two hundred sixty-four thousand, eight hundred seventy-two".