57149329663 has 2 divisors, whose sum is σ = 57149329664. Its totient is φ = 57149329662.

The previous prime is 57149329661. The next prime is 57149329673. The reversal of 57149329663 is 36692394175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57149329663 - 2¹ = 57149329661 is a prime.

Together with 57149329661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57149329661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28574664831 + 28574664832.

It is an arithmetic number, because the mean of its divisors is an integer number (28574664832).

Almost surely, 2^57149329663 is an apocalyptic number.

57149329663 is a deficient number, since it is larger than the sum of its proper divisors (1).

57149329663 is an equidigital number, since it uses as much as digits as its factorization.

57149329663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 55.

It can be divided in two parts, 571493 and 29663, that added together give a triangular number (601156 = T₁₀₉₆).

The spelling of 57149329663 in words is "fifty-seven billion, one hundred forty-nine million, three hundred twenty-nine thousand, six hundred sixty-three".