6452460921 has 4 divisors (see below), whose sum is σ = 8603281232. Its totient is φ = 4301640612.

The previous prime is 6452460881. The next prime is 6452460923. The reversal of 6452460921 is 1290642546.

It is a happy number.

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 not a de Polignac number, because 6452460921 - 2²¹ = 6450363769 is a prime.

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 6452460921.

It is not an unprimeable number, because it can be changed into a prime (6452460923) 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, 1075410151 + ... + 1075410156.

It is an arithmetic number, because the mean of its divisors is an integer number (2150820308).

Almost surely, 2^6452460921 is an apocalyptic number.

It is an amenable number.

6452460921 is a deficient number, since it is larger than the sum of its proper divisors (2150820311).

6452460921 is a wasteful number, since it uses less digits than its factorization.

6452460921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150820310.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6452460921 is about 80327.2115848671. The cubic root of 6452460921 is about 1861.6946940340.

The spelling of 6452460921 in words is "six billion, four hundred fifty-two million, four hundred sixty thousand, nine hundred twenty-one".