49698137 has 2 divisors, whose sum is σ = 49698138. Its totient is φ = 49698136.

The previous prime is 49698107. The next prime is 49698149. The reversal of 49698137 is 73189694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 11703241 = 6164^2 + 3421^2 .

It is a cyclic number.

It is not a de Polignac number, because 49698137 - 2⁶ = 49698073 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49698091 and 49698100.

It is not a weakly prime, because it can be changed into another prime (49698107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24849068 + 24849069.

It is an arithmetic number, because the mean of its divisors is an integer number (24849069).

Almost surely, 2^49698137 is an apocalyptic number.

It is an amenable number.

49698137 is a deficient number, since it is larger than the sum of its proper divisors (1).

49698137 is an equidigital number, since it uses as much as digits as its factorization.

49698137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 49698137 is about 7049.6905605849. The cubic root of 49698137 is about 367.6602710011.

The spelling of 49698137 in words is "forty-nine million, six hundred ninety-eight thousand, one hundred thirty-seven".