49398813253 has 2 divisors, whose sum is σ = 49398813254. Its totient is φ = 49398813252.

The previous prime is 49398813221. The next prime is 49398813281. The reversal of 49398813253 is 35231889394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29016396964 + 20382416289 = 170342^2 + 142767^2 .

It is a cyclic number.

It is not a de Polignac number, because 49398813253 - 2⁵ = 49398813221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49398813194 and 49398813203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49398813283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24699406626 + 24699406627.

It is an arithmetic number, because the mean of its divisors is an integer number (24699406627).

Almost surely, 2^49398813253 is an apocalyptic number.

It is an amenable number.

49398813253 is a deficient number, since it is larger than the sum of its proper divisors (1).

49398813253 is an equidigital number, since it uses as much as digits as its factorization.

49398813253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 55.

The spelling of 49398813253 in words is "forty-nine billion, three hundred ninety-eight million, eight hundred thirteen thousand, two hundred fifty-three".