25625894939 has 2 divisors, whose sum is σ = 25625894940. Its totient is φ = 25625894938.

The previous prime is 25625894927. The next prime is 25625894951. The reversal of 25625894939 is 93949852652.

It is a balanced prime because it is at equal distance from previous prime (25625894927) and next prime (25625894951).

It is a cyclic number.

It is not a de Polignac number, because 25625894939 - 2⁴ = 25625894923 is a prime.

It is not a weakly prime, because it can be changed into another prime (25625894999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12812947469 + 12812947470.

It is an arithmetic number, because the mean of its divisors is an integer number (12812947470).

Almost surely, 2^25625894939 is an apocalyptic number.

25625894939 is a deficient number, since it is larger than the sum of its proper divisors (1).

25625894939 is an equidigital number, since it uses as much as digits as its factorization.

25625894939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41990400, while the sum is 62.

The spelling of 25625894939 in words is "twenty-five billion, six hundred twenty-five million, eight hundred ninety-four thousand, nine hundred thirty-nine".