1393922943984 has 40 divisors (see below), whose sum is σ = 3612546317952. Its totient is φ = 463146953920.

The previous prime is 1393922943899. The next prime is 1393922944009. The reversal of 1393922943984 is 4893492293931.

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, 46673274 + ... + 46703129.

Almost surely, 2^{1393922943984} is an apocalyptic number.

It is an amenable number.

1393922943984 is an abundant number, since it is smaller than the sum of its proper divisors (2218623373968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1393922943984 is a wasteful number, since it uses less digits than its factorization.

1393922943984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93376725 (or 93376719 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 66.

The spelling of 1393922943984 in words is "one trillion, three hundred ninety-three billion, nine hundred twenty-two million, nine hundred forty-three thousand, nine hundred eighty-four".