49379097571 has 2 divisors, whose sum is σ = 49379097572. Its totient is φ = 49379097570.

The previous prime is 49379097557. The next prime is 49379097641. The reversal of 49379097571 is 17579097394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49379097571 - 2⁵ = 49379097539 is a prime.

It is not a weakly prime, because it can be changed into another prime (49379091571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24689548785 + 24689548786.

It is an arithmetic number, because the mean of its divisors is an integer number (24689548786).

Almost surely, 2^49379097571 is an apocalyptic number.

49379097571 is a deficient number, since it is larger than the sum of its proper divisors (1).

49379097571 is an equidigital number, since it uses as much as digits as its factorization.

49379097571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15002820, while the sum is 61.

It can be divided in two parts, 493790 and 97571, that added together give a square (591361 = 769²).

The spelling of 49379097571 in words is "forty-nine billion, three hundred seventy-nine million, ninety-seven thousand, five hundred seventy-one".