15425049654 has 48 divisors (see below), whose sum is σ = 40442152608. Its totient is φ = 4147911936.

The previous prime is 15425049649. The next prime is 15425049721. The reversal of 15425049654 is 45694052451.

15425049654 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 504 + 96 + 54 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3598477 + ... + 3602760.

It is an arithmetic number, because the mean of its divisors is an integer number (842544846).

Almost surely, 2^15425049654 is an apocalyptic number.

15425049654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15425049654 is an abundant number, since it is smaller than the sum of its proper divisors (25017102954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15425049654 is a wasteful number, since it uses less digits than its factorization.

15425049654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201269 (or 7201266 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 15425049654 in words is "fifteen billion, four hundred twenty-five million, forty-nine thousand, six hundred fifty-four".