1421264621463 has 16 divisors (see below), whose sum is σ = 1898847874560. Its totient is φ = 945597239136.

The previous prime is 1421264621453. The next prime is 1421264621467. The reversal of 1421264621463 is 3641264621241.

It is not a de Polignac number, because 1421264621463 - 2⁵ = 1421264621431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421264621467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3191181 + ... + 3609177.

It is an arithmetic number, because the mean of its divisors is an integer number (118677992160).

Almost surely, 2^{1421264621463} is an apocalyptic number.

1421264621463 is a deficient number, since it is larger than the sum of its proper divisors (477583253097).

1421264621463 is a wasteful number, since it uses less digits than its factorization.

1421264621463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420286.

The product of its digits is 331776, while the sum is 42.

The spelling of 1421264621463 in words is "one trillion, four hundred twenty-one billion, two hundred sixty-four million, six hundred twenty-one thousand, four hundred sixty-three".