25009961883 has 4 divisors (see below), whose sum is σ = 33346615848. Its totient is φ = 16673307920.

The previous prime is 25009961843. The next prime is 25009961947. The reversal of 25009961883 is 38816990052.

It is a happy number.

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 25009961883 - 2¹³ = 25009953691 is a prime.

It is a super-2 number, since 2×25009961883² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25009961843) 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, 4168326978 + ... + 4168326983.

It is an arithmetic number, because the mean of its divisors is an integer number (8336653962).

Almost surely, 2^25009961883 is an apocalyptic number.

25009961883 is a deficient number, since it is larger than the sum of its proper divisors (8336653965).

25009961883 is an equidigital number, since it uses as much as digits as its factorization.

25009961883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336653964.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 25009961883 in words is "twenty-five billion, nine million, nine hundred sixty-one thousand, eight hundred eighty-three".