57449204671 has 2 divisors, whose sum is σ = 57449204672. Its totient is φ = 57449204670.

The previous prime is 57449204623. The next prime is 57449204699. The reversal of 57449204671 is 17640294475.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57449204671 - 2¹⁷ = 57449073599 is a prime.

It is a super-3 number, since 3×57449204671³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57449234671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28724602335 + 28724602336.

It is an arithmetic number, because the mean of its divisors is an integer number (28724602336).

Almost surely, 2^57449204671 is an apocalyptic number.

57449204671 is a deficient number, since it is larger than the sum of its proper divisors (1).

57449204671 is an equidigital number, since it uses as much as digits as its factorization.

57449204671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 57449204671 in words is "fifty-seven billion, four hundred forty-nine million, two hundred four thousand, six hundred seventy-one".