421264277433 has 12 divisors (see below), whose sum is σ = 613137830448. Its totient is φ = 278699012280.

The previous prime is 421264277431. The next prime is 421264277449. The reversal of 421264277433 is 334772462124.

421264277433 is a `hidden beast` number, since 4 + 2 + 126 + 427 + 74 + 33 = 666.

It is not a de Polignac number, because 421264277433 - 2¹ = 421264277431 is a prime.

It is a super-2 number, since 2×421264277433² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421264277431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178652035 + ... + 178654392.

It is an arithmetic number, because the mean of its divisors is an integer number (51094819204).

Almost surely, 2^421264277433 is an apocalyptic number.

It is an amenable number.

421264277433 is a deficient number, since it is larger than the sum of its proper divisors (191873553015).

421264277433 is a wasteful number, since it uses less digits than its factorization.

421264277433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357306564 (or 357306561 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 45.

The spelling of 421264277433 in words is "four hundred twenty-one billion, two hundred sixty-four million, two hundred seventy-seven thousand, four hundred thirty-three".