4640575451 has 4 divisors (see below), whose sum is σ = 4641121992. Its totient is φ = 4640028912.

The previous prime is 4640575403. The next prime is 4640575453. The reversal of 4640575451 is 1545750464.

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

It is a cyclic number.

It is not a de Polignac number, because 4640575451 - 2¹⁴ = 4640559067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4640575399 and 4640575408.

It is not an unprimeable number, because it can be changed into a prime (4640575453) 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, 260330 + ... + 277583.

It is an arithmetic number, because the mean of its divisors is an integer number (1160280498).

Almost surely, 2^4640575451 is an apocalyptic number.

4640575451 is a deficient number, since it is larger than the sum of its proper divisors (546541).

4640575451 is an equidigital number, since it uses as much as digits as its factorization.

4640575451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546540.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 4640575451 is about 68121.7692885321. The cubic root of 4640575451 is about 1667.9791314216.

The spelling of 4640575451 in words is "four billion, six hundred forty million, five hundred seventy-five thousand, four hundred fifty-one".