925133987639 has 2 divisors, whose sum is σ = 925133987640. Its totient is φ = 925133987638.

The previous prime is 925133987597. The next prime is 925133987663. The reversal of 925133987639 is 936789331529.

It is a strong prime.

It is an emirp because it is prime and its reverse (936789331529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 925133987639 - 2²⁰ = 925132939063 is a prime.

It is a super-3 number, since 3×925133987639³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (925133987539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462566993819 + 462566993820.

It is an arithmetic number, because the mean of its divisors is an integer number (462566993820).

Almost surely, 2^925133987639 is an apocalyptic number.

925133987639 is a deficient number, since it is larger than the sum of its proper divisors (1).

925133987639 is an equidigital number, since it uses as much as digits as its factorization.

925133987639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66134880, while the sum is 65.

The spelling of 925133987639 in words is "nine hundred twenty-five billion, one hundred thirty-three million, nine hundred eighty-seven thousand, six hundred thirty-nine".