974653219 has 2 divisors, whose sum is σ = 974653220. Its totient is φ = 974653218.

The previous prime is 974653217. The next prime is 974653243. The reversal of 974653219 is 912356479.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 974653219 - 2¹ = 974653217 is a prime.

It is a super-2 number, since 2×974653219² = 1899897794614123922, which contains 22 as substring.

Together with 974653217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (974653217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487326609 + 487326610.

It is an arithmetic number, because the mean of its divisors is an integer number (487326610).

Almost surely, 2^974653219 is an apocalyptic number.

974653219 is a deficient number, since it is larger than the sum of its proper divisors (1).

974653219 is an equidigital number, since it uses as much as digits as its factorization.

974653219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 974653219 is about 31219.4365580162. The cubic root of 974653219 is about 991.4786661225.

The spelling of 974653219 in words is "nine hundred seventy-four million, six hundred fifty-three thousand, two hundred nineteen".