4640412521 has 8 divisors (see below), whose sum is σ = 4702713600. Its totient is φ = 4578200640.

The previous prime is 4640412493. The next prime is 4640412523. The reversal of 4640412521 is 1252140464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4640412521 - 2¹⁰ = 4640411497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640412523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85940 + ... + 129098.

It is an arithmetic number, because the mean of its divisors is an integer number (587839200).

Almost surely, 2^4640412521 is an apocalyptic number.

It is an amenable number.

4640412521 is a deficient number, since it is larger than the sum of its proper divisors (62301079).

4640412521 is a wasteful number, since it uses less digits than its factorization.

4640412521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44599.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 4640412521 is about 68120.5734048092. The cubic root of 4640412521 is about 1667.9596103497.

Adding to 4640412521 its reverse (1252140464), we get a palindrome (5892552985).

The spelling of 4640412521 in words is "four billion, six hundred forty million, four hundred twelve thousand, five hundred twenty-one".