9452001421 has 4 divisors (see below), whose sum is σ = 9949475200. Its totient is φ = 8954527644.

The previous prime is 9452001353. The next prime is 9452001431. The reversal of 9452001421 is 1241002549.

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.

It is a cyclic number.

It is not a de Polignac number, because 9452001421 - 2²³ = 9443612813 is a prime.

It is a super-3 number, since 3×9452001421³ (a number of 31 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 9452001421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9452001431) 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, 248736861 + ... + 248736898.

It is an arithmetic number, because the mean of its divisors is an integer number (2487368800).

Almost surely, 2^9452001421 is an apocalyptic number.

It is an amenable number.

9452001421 is a deficient number, since it is larger than the sum of its proper divisors (497473779).

9452001421 is a wasteful number, since it uses less digits than its factorization.

9452001421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497473778.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 9452001421 is about 97221.4041299548. The cubic root of 9452001421 is about 2114.3388642338.

The spelling of 9452001421 in words is "nine billion, four hundred fifty-two million, one thousand, four hundred twenty-one".