25349500084 has 24 divisors (see below), whose sum is σ = 44673257216. Its totient is φ = 12585780000.

The previous prime is 25349500081. The next prime is 25349500109. The reversal of 25349500084 is 48000594352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349500081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841989 + ... + 1855699.

Almost surely, 2^25349500084 is an apocalyptic number.

It is an amenable number.

25349500084 is a deficient number, since it is larger than the sum of its proper divisors (19323757132).

25349500084 is a wasteful number, since it uses less digits than its factorization.

25349500084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16927 (or 16925 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 25349500084 in words is "twenty-five billion, three hundred forty-nine million, five hundred thousand, eighty-four".