30149503902 has 72 divisors (see below), whose sum is σ = 78440386752. Its totient is φ = 8336260800.

The previous prime is 30149503883. The next prime is 30149503903. The reversal of 30149503902 is 20930594103.

It is a happy number.

30149503902 is a `hidden beast` number, since 3 + 0 + 149 + 503 + 9 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30149503903) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 523999 + ... + 578682.

It is an arithmetic number, because the mean of its divisors is an integer number (1089449816).

Almost surely, 2^30149503902 is an apocalyptic number.

30149503902 is an abundant number, since it is smaller than the sum of its proper divisors (48290882850).

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

30149503902 is a wasteful number, since it uses less digits than its factorization.

30149503902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102734 (or 1102724 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 30149503902 in words is "thirty billion, one hundred forty-nine million, five hundred three thousand, nine hundred two".