30898490745 has 32 divisors (see below), whose sum is σ = 52051783680. Its totient is φ = 15608203200.

The previous prime is 30898490719. The next prime is 30898490803. The reversal of 30898490745 is 54709489803.

It is not a de Polignac number, because 30898490745 - 2¹¹ = 30898488697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

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 31 ways as a sum of consecutive naturals, for example, 1530970 + ... + 1551020.

It is an arithmetic number, because the mean of its divisors is an integer number (1626618240).

Almost surely, 2^30898490745 is an apocalyptic number.

It is an amenable number.

30898490745 is a deficient number, since it is larger than the sum of its proper divisors (21153292935).

30898490745 is a wasteful number, since it uses less digits than its factorization.

30898490745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25485.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 30898490745 in words is "thirty billion, eight hundred ninety-eight million, four hundred ninety thousand, seven hundred forty-five".