30190125449 has 12 divisors (see below), whose sum is σ = 34930726320. Its totient is φ = 26001063000.

The previous prime is 30190125437. The next prime is 30190125509. The reversal of 30190125449 is 94452109103.

It is a de Polignac number, because none of the positive numbers 2^k-30190125449 is a prime.

It is a super-2 number, since 2×30190125449² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30190125409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6563627 + ... + 6568224.

It is an arithmetic number, because the mean of its divisors is an integer number (2910893860).

Almost surely, 2^30190125449 is an apocalyptic number.

It is an amenable number.

30190125449 is a deficient number, since it is larger than the sum of its proper divisors (4740600871).

30190125449 is a wasteful number, since it uses less digits than its factorization.

30190125449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13131892 (or 13131881 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 30190125449 in words is "thirty billion, one hundred ninety million, one hundred twenty-five thousand, four hundred forty-nine".