49797137023 has 2 divisors, whose sum is σ = 49797137024. Its totient is φ = 49797137022.

The previous prime is 49797137009. The next prime is 49797137083. The reversal of 49797137023 is 32073179794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49797137023 - 2²¹ = 49795039871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49797137083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24898568511 + 24898568512.

It is an arithmetic number, because the mean of its divisors is an integer number (24898568512).

Almost surely, 2^49797137023 is an apocalyptic number.

49797137023 is a deficient number, since it is larger than the sum of its proper divisors (1).

49797137023 is an equidigital number, since it uses as much as digits as its factorization.

49797137023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000376, while the sum is 52.

The spelling of 49797137023 in words is "forty-nine billion, seven hundred ninety-seven million, one hundred thirty-seven thousand, twenty-three".