32638043711 has 24 divisors (see below), whose sum is σ = 40638648960. Its totient is φ = 25664929056.

The previous prime is 32638043663. The next prime is 32638043723. The reversal of 32638043711 is 11734083623.

It is a de Polignac number, because none of the positive numbers 2^k-32638043711 is a prime.

It is a super-2 number, since 2×32638043711² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32638043311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108200 + ... + 277458.

It is an arithmetic number, because the mean of its divisors is an integer number (1693277040).

Almost surely, 2^32638043711 is an apocalyptic number.

32638043711 is a deficient number, since it is larger than the sum of its proper divisors (8000605249).

32638043711 is a wasteful number, since it uses less digits than its factorization.

32638043711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169455 (or 169442 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 32638043711 in words is "thirty-two billion, six hundred thirty-eight million, forty-three thousand, seven hundred eleven".