425516990975933 has 2 divisors, whose sum is σ = 425516990975934. Its totient is φ = 425516990975932.

The previous prime is 425516990975911. The next prime is 425516990975939. The reversal of 425516990975933 is 339579099615524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343622852962489 + 81894138013444 = 18537067^2 + 9049538^2 .

It is a cyclic number.

It is not a de Polignac number, because 425516990975933 - 2²⁸ = 425516722540477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425516990975939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212758495487966 + 212758495487967.

It is an arithmetic number, because the mean of its divisors is an integer number (212758495487967).

Almost surely, 2^{425516990975933} is an apocalyptic number.

It is an amenable number.

425516990975933 is a deficient number, since it is larger than the sum of its proper divisors (1).

425516990975933 is an equidigital number, since it uses as much as digits as its factorization.

425516990975933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2480058000, while the sum is 77.

The spelling of 425516990975933 in words is "four hundred twenty-five trillion, five hundred sixteen billion, nine hundred ninety million, nine hundred seventy-five thousand, nine hundred thirty-three".