421464262505 has 64 divisors (see below), whose sum is σ = 606178702080. Its totient is φ = 277260364800.

The previous prime is 421464262469. The next prime is 421464262517. The reversal of 421464262505 is 505262464124.

It is not a de Polignac number, because 421464262505 - 2²⁸ = 421195827049 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 11714474 + ... + 11750396.

It is an arithmetic number, because the mean of its divisors is an integer number (9471542220).

Almost surely, 2^421464262505 is an apocalyptic number.

It is an amenable number.

421464262505 is a deficient number, since it is larger than the sum of its proper divisors (184714439575).

421464262505 is a wasteful number, since it uses less digits than its factorization.

421464262505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36282.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 421464262505 in words is "four hundred twenty-one billion, four hundred sixty-four million, two hundred sixty-two thousand, five hundred five".