637414111049 has 2 divisors, whose sum is σ = 637414111050. Its totient is φ = 637414111048.

The previous prime is 637414111013. The next prime is 637414111091. The reversal of 637414111049 is 940111414736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637174325824 + 239785225 = 798232^2 + 15485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-637414111049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 637414110997 and 637414111015.

It is not a weakly prime, because it can be changed into another prime (637414111099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318707055524 + 318707055525.

It is an arithmetic number, because the mean of its divisors is an integer number (318707055525).

Almost surely, 2^637414111049 is an apocalyptic number.

It is an amenable number.

637414111049 is a deficient number, since it is larger than the sum of its proper divisors (1).

637414111049 is an equidigital number, since it uses as much as digits as its factorization.

637414111049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 637414111049 in words is "six hundred thirty-seven billion, four hundred fourteen million, one hundred eleven thousand, forty-nine".