214973973994 has 32 divisors (see below), whose sum is σ = 367878127680. Its totient is φ = 93335354112.

The previous prime is 214973973979. The next prime is 214973973997. The reversal of 214973973994 is 499379379412.

It is not an unprimeable number, because it can be changed into a prime (214973973997) 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, 763917 + ... + 1006735.

It is an arithmetic number, because the mean of its divisors is an integer number (11496191490).

Almost surely, 2^214973973994 is an apocalyptic number.

214973973994 is a deficient number, since it is larger than the sum of its proper divisors (152904153686).

214973973994 is a wasteful number, since it uses less digits than its factorization.

214973973994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244854.

The product of its digits is 92588832, while the sum is 67.

The spelling of 214973973994 in words is "two hundred fourteen billion, nine hundred seventy-three million, nine hundred seventy-three thousand, nine hundred ninety-four".