52725636710638 has 4 divisors (see below), whose sum is σ = 79088455065960. Its totient is φ = 26362818355318.

The previous prime is 52725636710629. The next prime is 52725636710657. The reversal of 52725636710638 is 83601763652725.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13181409177658 + ... + 13181409177661.

It is an arithmetic number, because the mean of its divisors is an integer number (19772113766490).

Almost surely, 2^{52725636710638} is an apocalyptic number.

52725636710638 is a deficient number, since it is larger than the sum of its proper divisors (26362818355322).

52725636710638 is a wasteful number, since it uses less digits than its factorization.

52725636710638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26362818355321.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 52725636710638 in words is "fifty-two trillion, seven hundred twenty-five billion, six hundred thirty-six million, seven hundred ten thousand, six hundred thirty-eight".