57354780641 has 2 divisors, whose sum is σ = 57354780642. Its totient is φ = 57354780640.

The previous prime is 57354780631. The next prime is 57354780677. The reversal of 57354780641 is 14608745375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55780992400 + 1573788241 = 236180^2 + 39671^2 .

It is a cyclic number.

It is not a de Polignac number, because 57354780641 - 2¹⁰ = 57354779617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57354780641.

It is not a weakly prime, because it can be changed into another prime (57354780631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677390320 + 28677390321.

It is an arithmetic number, because the mean of its divisors is an integer number (28677390321).

Almost surely, 2^57354780641 is an apocalyptic number.

It is an amenable number.

57354780641 is a deficient number, since it is larger than the sum of its proper divisors (1).

57354780641 is an equidigital number, since it uses as much as digits as its factorization.

57354780641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 57354780641 in words is "fifty-seven billion, three hundred fifty-four million, seven hundred eighty thousand, six hundred forty-one".