49371119657 has 2 divisors, whose sum is σ = 49371119658. Its totient is φ = 49371119656.

The previous prime is 49371119641. The next prime is 49371119663. The reversal of 49371119657 is 75691117394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45783588841 + 3587530816 = 213971^2 + 59896^2 .

It is a cyclic number.

It is not a de Polignac number, because 49371119657 - 2⁴ = 49371119641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49371119599 and 49371119608.

It is not a weakly prime, because it can be changed into another prime (49371119617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24685559828 + 24685559829.

It is an arithmetic number, because the mean of its divisors is an integer number (24685559829).

Almost surely, 2^49371119657 is an apocalyptic number.

It is an amenable number.

49371119657 is a deficient number, since it is larger than the sum of its proper divisors (1).

49371119657 is an equidigital number, since it uses as much as digits as its factorization.

49371119657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 53.

The spelling of 49371119657 in words is "forty-nine billion, three hundred seventy-one million, one hundred nineteen thousand, six hundred fifty-seven".