921096386494 has 16 divisors (see below), whose sum is σ = 1526522912928. Its totient is φ = 414611160832.

The previous prime is 921096386423. The next prime is 921096386513. The reversal of 921096386494 is 494683690129.

It is a super-2 number, since 2×921096386494² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588935527 + ... + 588937090.

It is an arithmetic number, because the mean of its divisors is an integer number (95407682058).

Almost surely, 2^921096386494 is an apocalyptic number.

921096386494 is a deficient number, since it is larger than the sum of its proper divisors (605426526434).

921096386494 is a wasteful number, since it uses less digits than its factorization.

921096386494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177872659.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 921096386494 in words is "nine hundred twenty-one billion, ninety-six million, three hundred eighty-six thousand, four hundred ninety-four".