57202138641 has 4 divisors (see below), whose sum is σ = 76269518192. Its totient is φ = 38134759092.

The previous prime is 57202138579. The next prime is 57202138673. The reversal of 57202138641 is 14683120275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57202138641 - 2¹³ = 57202130449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57202138641.

It is not an unprimeable number, because it can be changed into a prime (57202138691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9533689771 + ... + 9533689776.

It is an arithmetic number, because the mean of its divisors is an integer number (19067379548).

Almost surely, 2^57202138641 is an apocalyptic number.

It is an amenable number.

57202138641 is a deficient number, since it is larger than the sum of its proper divisors (19067379551).

57202138641 is a wasteful number, since it uses less digits than its factorization.

57202138641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19067379550.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 57202138641 in words is "fifty-seven billion, two hundred two million, one hundred thirty-eight thousand, six hundred forty-one".