980212645 has 16 divisors (see below), whose sum is σ = 1203471360. Its totient is φ = 766232064.

The previous prime is 980212601. The next prime is 980212657. The reversal of 980212645 is 546212089.

It is a cyclic number.

It is not a de Polignac number, because 980212645 - 2¹⁹ = 979688357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25524 + ... + 51106.

It is an arithmetic number, because the mean of its divisors is an integer number (75216960).

Almost surely, 2^980212645 is an apocalyptic number.

It is an amenable number.

980212645 is a deficient number, since it is larger than the sum of its proper divisors (223258715).

980212645 is a wasteful number, since it uses less digits than its factorization.

980212645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25764.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 980212645 is about 31308.3478484573. The cubic root of 980212645 is about 993.3602259759.

The spelling of 980212645 in words is "nine hundred eighty million, two hundred twelve thousand, six hundred forty-five".