973264462421 has 4 divisors (see below), whose sum is σ = 973287473772. Its totient is φ = 973241451072.

The previous prime is 973264462397. The next prime is 973264462453. The reversal of 973264462421 is 124264462379.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 341159959921 + 632104502500 = 584089^2 + 795050^2 .

It is a cyclic number.

It is not a de Polignac number, because 973264462421 - 2¹⁸ = 973264200277 is a prime.

It is a super-3 number, since 3×973264462421³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 973264462421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973264462321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11442116 + ... + 11526861.

It is an arithmetic number, because the mean of its divisors is an integer number (243321868443).

Almost surely, 2^973264462421 is an apocalyptic number.

It is an amenable number.

973264462421 is a deficient number, since it is larger than the sum of its proper divisors (23011351).

973264462421 is a wasteful number, since it uses less digits than its factorization.

973264462421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23011350.

The product of its digits is 3483648, while the sum is 50.

The spelling of 973264462421 in words is "nine hundred seventy-three billion, two hundred sixty-four million, four hundred sixty-two thousand, four hundred twenty-one".