980944551 has 6 divisors (see below), whose sum is σ = 1416919920. Its totient is φ = 653963028.

The previous prime is 980944529. The next prime is 980944583. The reversal of 980944551 is 155449089.

980944551 is a `hidden beast` number, since 9 + 8 + 0 + 94 + 4 + 551 = 666.

980944551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 980944551 - 2⁶ = 980944487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 980944497 and 980944506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980944451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54496911 + ... + 54496928.

It is an arithmetic number, because the mean of its divisors is an integer number (236153320).

Almost surely, 2^980944551 is an apocalyptic number.

980944551 is a deficient number, since it is larger than the sum of its proper divisors (435975369).

980944551 is a wasteful number, since it uses less digits than its factorization.

980944551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108993845 (or 108993842 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 980944551 is about 31320.0343390616. The cubic root of 980944551 is about 993.6074054803.

The spelling of 980944551 in words is "nine hundred eighty million, nine hundred forty-four thousand, five hundred fifty-one".