321970047297 has 16 divisors (see below), whose sum is σ = 452229971520. Its totient is φ = 203195520000.

The previous prime is 321970047277. The next prime is 321970047313. The reversal of 321970047297 is 792740079123.

It is not a de Polignac number, because 321970047297 - 2¹⁰ = 321970046273 is a prime.

It is a super-2 number, since 2×321970047297² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321970047277) 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, 2062704 + ... + 2213297.

It is an arithmetic number, because the mean of its divisors is an integer number (28264373220).

Almost surely, 2^321970047297 is an apocalyptic number.

It is an amenable number.

321970047297 is a deficient number, since it is larger than the sum of its proper divisors (130259924223).

321970047297 is a wasteful number, since it uses less digits than its factorization.

321970047297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277344.

The product of its (nonzero) digits is 1333584, while the sum is 51.

The spelling of 321970047297 in words is "three hundred twenty-one billion, nine hundred seventy million, forty-seven thousand, two hundred ninety-seven".