24971959655 has 4 divisors (see below), whose sum is σ = 29966351592. Its totient is φ = 19977567720.

The previous prime is 24971959643. The next prime is 24971959681. The reversal of 24971959655 is 55695917942.

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

It is not a de Polignac number, because 24971959655 - 2⁶ = 24971959591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2497195961 + ... + 2497195970.

It is an arithmetic number, because the mean of its divisors is an integer number (7491587898).

Almost surely, 2^24971959655 is an apocalyptic number.

24971959655 is a deficient number, since it is larger than the sum of its proper divisors (4994391937).

24971959655 is an equidigital number, since it uses as much as digits as its factorization.

24971959655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994391936.

The product of its digits is 30618000, while the sum is 62.

The spelling of 24971959655 in words is "twenty-four billion, nine hundred seventy-one million, nine hundred fifty-nine thousand, six hundred fifty-five".