25830453357 has 48 divisors (see below), whose sum is σ = 38994621120. Its totient is φ = 16461916416.

The previous prime is 25830453307. The next prime is 25830453377. The reversal of 25830453357 is 75335403852.

25830453357 is a `hidden beast` number, since 2 + 5 + 8 + 304 + 5 + 335 + 7 = 666.

It is not a de Polignac number, because 25830453357 - 2⁸ = 25830453101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25830453307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4828158 + ... + 4833504.

It is an arithmetic number, because the mean of its divisors is an integer number (812387940).

Almost surely, 2^25830453357 is an apocalyptic number.

It is an amenable number.

25830453357 is a deficient number, since it is larger than the sum of its proper divisors (13164167763).

25830453357 is a wasteful number, since it uses less digits than its factorization.

25830453357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 25830453357 in words is "twenty-five billion, eight hundred thirty million, four hundred fifty-three thousand, three hundred fifty-seven".