1421473372838 has 8 divisors (see below), whose sum is σ = 2132974574640. Its totient is φ = 710481847960.

The previous prime is 1421473372819. The next prime is 1421473372849. The reversal of 1421473372838 is 8382733741241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1421473372838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127412258 + ... + 127423413.

It is an arithmetic number, because the mean of its divisors is an integer number (266621821830).

Almost surely, 2^{1421473372838} is an apocalyptic number.

1421473372838 is a deficient number, since it is larger than the sum of its proper divisors (711501201802).

1421473372838 is a wasteful number, since it uses less digits than its factorization.

1421473372838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254838462.

The product of its digits is 5419008, while the sum is 53.

The spelling of 1421473372838 in words is "one trillion, four hundred twenty-one billion, four hundred seventy-three million, three hundred seventy-two thousand, eight hundred thirty-eight".