30989377444 has 9 divisors (see below), whose sum is σ = 54232026667. Its totient is φ = 15494512684.

The previous prime is 30989377429. The next prime is 30989377457. The reversal of 30989377444 is 44477398903.

The square root of 30989377444 is 176038.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 308067 + ... + 396085.

Almost surely, 2^30989377444 is an apocalyptic number.

30989377444 is the 176038-th square number.

It is an amenable number.

30989377444 is a deficient number, since it is larger than the sum of its proper divisors (23242649223).

30989377444 is an frugal number, since it uses more digits than its factorization.

30989377444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176042 (or 88021 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 30989377444 in words is "thirty billion, nine hundred eighty-nine million, three hundred seventy-seven thousand, four hundred forty-four".