25495690029 has 16 divisors (see below), whose sum is σ = 34513121472. Its totient is φ = 16737861888.

The previous prime is 25495690021. The next prime is 25495690043. The reversal of 25495690029 is 92009659452.

It is not a de Polignac number, because 25495690029 - 2³ = 25495690021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25495690021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634357 + ... + 673349.

It is an arithmetic number, because the mean of its divisors is an integer number (2157070092).

Almost surely, 2^25495690029 is an apocalyptic number.

It is an amenable number.

25495690029 is a deficient number, since it is larger than the sum of its proper divisors (9017431443).

25495690029 is a wasteful number, since it uses less digits than its factorization.

25495690029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42316.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 25495690029 in words is "twenty-five billion, four hundred ninety-five million, six hundred ninety thousand, twenty-nine".