57038331643 has 4 divisors (see below), whose sum is σ = 60393527640. Its totient is φ = 53683135648.

The previous prime is 57038331631. The next prime is 57038331653. The reversal of 57038331643 is 34613383075.

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

It is a cyclic number.

It is not a de Polignac number, because 57038331643 - 2¹³ = 57038323451 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 57038331643.

It is not an unprimeable number, because it can be changed into a prime (57038331613) 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, 1677597973 + ... + 1677598006.

It is an arithmetic number, because the mean of its divisors is an integer number (15098381910).

Almost surely, 2^57038331643 is an apocalyptic number.

57038331643 is a deficient number, since it is larger than the sum of its proper divisors (3355195997).

57038331643 is a wasteful number, since it uses less digits than its factorization.

57038331643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355195996.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 57038331643 in words is "fifty-seven billion, thirty-eight million, three hundred thirty-one thousand, six hundred forty-three".