1394642242516 has 24 divisors (see below), whose sum is σ = 2520114915584. Its totient is φ = 674623002240.

The previous prime is 1394642242421. The next prime is 1394642242523. The reversal of 1394642242516 is 6152422464931.

It is a super-2 number, since 2×1394642242516² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1394642242516.

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, 1286610 + ... + 2108233.

Almost surely, 2^{1394642242516} is an apocalyptic number.

It is an amenable number.

1394642242516 is a deficient number, since it is larger than the sum of its proper divisors (1125472673068).

1394642242516 is a wasteful number, since it uses less digits than its factorization.

1394642242516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398191 (or 3398189 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 1394642242516 in words is "one trillion, three hundred ninety-four billion, six hundred forty-two million, two hundred forty-two thousand, five hundred sixteen".