970621099 has 16 divisors (see below), whose sum is σ = 1168710400. Its totient is φ = 787467744.

The previous prime is 970621087. The next prime is 970621117. The reversal of 970621099 is 990126079.

970621099 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 970621099 - 2⁹ = 970620587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970621079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187504 + ... + 192610.

It is an arithmetic number, because the mean of its divisors is an integer number (73044400).

Almost surely, 2^970621099 is an apocalyptic number.

970621099 is a deficient number, since it is larger than the sum of its proper divisors (198089301).

970621099 is a wasteful number, since it uses less digits than its factorization.

970621099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 970621099 is about 31154.7925526716. The cubic root of 970621099 is about 990.1095341854.

The spelling of 970621099 in words is "nine hundred seventy million, six hundred twenty-one thousand, ninety-nine".