25154601463 has 4 divisors (see below), whose sum is σ = 26634283920. Its totient is φ = 23674919008.

The previous prime is 25154601427. The next prime is 25154601491. The reversal of 25154601463 is 36410645152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25154601463 - 2²⁵ = 25121047031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25154601403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739841203 + ... + 739841236.

It is an arithmetic number, because the mean of its divisors is an integer number (6658570980).

Almost surely, 2^25154601463 is an apocalyptic number.

25154601463 is a deficient number, since it is larger than the sum of its proper divisors (1479682457).

25154601463 is a wasteful number, since it uses less digits than its factorization.

25154601463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479682456.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 25154601463 in words is "twenty-five billion, one hundred fifty-four million, six hundred one thousand, four hundred sixty-three".