49456444837 has 2 divisors, whose sum is σ = 49456444838. Its totient is φ = 49456444836.

The previous prime is 49456444781. The next prime is 49456444861. The reversal of 49456444837 is 73844465494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28650978756 + 20805466081 = 169266^2 + 144241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49456444837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49456444637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24728222418 + 24728222419.

It is an arithmetic number, because the mean of its divisors is an integer number (24728222419).

Almost surely, 2^49456444837 is an apocalyptic number.

It is an amenable number.

49456444837 is a deficient number, since it is larger than the sum of its proper divisors (1).

49456444837 is an equidigital number, since it uses as much as digits as its factorization.

49456444837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46448640, while the sum is 58.

The spelling of 49456444837 in words is "forty-nine billion, four hundred fifty-six million, four hundred forty-four thousand, eight hundred thirty-seven".