25534330499 has 8 divisors (see below), whose sum is σ = 25565698560. Its totient is φ = 25502984136.

The previous prime is 25534330483. The next prime is 25534330541. The reversal of 25534330499 is 99403343552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25534330499 - 2⁴ = 25534330483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25534330699) 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, 3763292 + ... + 3770070.

It is an arithmetic number, because the mean of its divisors is an integer number (3195712320).

Almost surely, 2^25534330499 is an apocalyptic number.

25534330499 is a deficient number, since it is larger than the sum of its proper divisors (31368061).

25534330499 is a wasteful number, since it uses less digits than its factorization.

25534330499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 25534330499 in words is "twenty-five billion, five hundred thirty-four million, three hundred thirty thousand, four hundred ninety-nine".