420312699075 has 18 divisors (see below), whose sum is σ = 694926278692. Its totient is φ = 224163778400.

The previous prime is 420312699067. The next prime is 420312699091. The reversal of 420312699075 is 570996213024.

It is not a de Polignac number, because 420312699075 - 2³ = 420312699067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5577145 + ... + 5652005.

Almost surely, 2^420312699075 is an apocalyptic number.

420312699075 is a deficient number, since it is larger than the sum of its proper divisors (274613579617).

420312699075 is an frugal number, since it uses more digits than its factorization.

420312699075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149735 (or 74869 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

Multiplying 420312699075 by its sum of digits (48), we get a square (20175009555600 = 4491660²).

The spelling of 420312699075 in words is "four hundred twenty billion, three hundred twelve million, six hundred ninety-nine thousand, seventy-five".