1421860932807 has 16 divisors (see below), whose sum is σ = 2166699186432. Its totient is φ = 812471728320.

The previous prime is 1421860932799. The next prime is 1421860932809. The reversal of 1421860932807 is 7082390681241.

It is a happy number.

It is not a de Polignac number, because 1421860932807 - 2³ = 1421860932799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421860932807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421860932809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41908 + ... + 1686854.

It is an arithmetic number, because the mean of its divisors is an integer number (135418699152).

Almost surely, 2^{1421860932807} is an apocalyptic number.

1421860932807 is a deficient number, since it is larger than the sum of its proper divisors (744838253625).

1421860932807 is a wasteful number, since it uses less digits than its factorization.

1421860932807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686118.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 1421860932807 in words is "one trillion, four hundred twenty-one billion, eight hundred sixty million, nine hundred thirty-two thousand, eight hundred seven".