733874671021 has 4 divisors (see below), whose sum is σ = 733876631200. Its totient is φ = 733872710844.

The previous prime is 733874671007. The next prime is 733874671027. The reversal of 733874671021 is 120176478337.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120176478337 = 2467 ⋅48713611.

It is a cyclic number.

It is not a de Polignac number, because 733874671021 - 2³⁹ = 184118857133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733874671027) 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, 224151 + ... + 1232068.

It is an arithmetic number, because the mean of its divisors is an integer number (183469157800).

Almost surely, 2^733874671021 is an apocalyptic number.

It is an amenable number.

733874671021 is a deficient number, since it is larger than the sum of its proper divisors (1960179).

733874671021 is a wasteful number, since it uses less digits than its factorization.

733874671021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960178.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 733874671021 in words is "seven hundred thirty-three billion, eight hundred seventy-four million, six hundred seventy-one thousand, twenty-one".