49451038375369 has 2 divisors, whose sum is σ = 49451038375370. Its totient is φ = 49451038375368.

The previous prime is 49451038375307. The next prime is 49451038375421. The reversal of 49451038375369 is 96357383015494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49350906000400 + 100132374969 = 7025020^2 + 316437^2 .

It is a cyclic number.

It is not a de Polignac number, because 49451038375369 - 2¹⁷ = 49451038244297 is a prime.

It is a super-2 number, since 2×49451038375369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49451038373369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24725519187684 + 24725519187685.

It is an arithmetic number, because the mean of its divisors is an integer number (24725519187685).

Almost surely, 2^{49451038375369} is an apocalyptic number.

It is an amenable number.

49451038375369 is a deficient number, since it is larger than the sum of its proper divisors (1).

49451038375369 is an equidigital number, since it uses as much as digits as its factorization.

49451038375369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 293932800, while the sum is 67.

The spelling of 49451038375369 in words is "forty-nine trillion, four hundred fifty-one billion, thirty-eight million, three hundred seventy-five thousand, three hundred sixty-nine".