1421976057898 has 64 divisors (see below), whose sum is σ = 2362348800000. Its totient is φ = 636587663040.

The previous prime is 1421976057883. The next prime is 1421976057899. The reversal of 1421976057898 is 8987506791241.

It is not an unprimeable number, because it can be changed into a prime (1421976057899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284449603 + ... + 284454601.

It is an arithmetic number, because the mean of its divisors is an integer number (36911700000).

Almost surely, 2^{1421976057898} is an apocalyptic number.

1421976057898 is a deficient number, since it is larger than the sum of its proper divisors (940372742102).

1421976057898 is a wasteful number, since it uses less digits than its factorization.

1421976057898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 60963840, while the sum is 67.

The spelling of 1421976057898 in words is "one trillion, four hundred twenty-one billion, nine hundred seventy-six million, fifty-seven thousand, eight hundred ninety-eight".