6474510921 has 16 divisors (see below), whose sum is σ = 8913428480. Its totient is φ = 4176038160.

The previous prime is 6474510869. The next prime is 6474510929. The reversal of 6474510921 is 1290154746.

It is not a de Polignac number, because 6474510921 - 2⁹ = 6474510409 is a prime.

It is a super-2 number, since 2×6474510921² = 83838583332296536482, which contains 22 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 6474510921.

It is not an unprimeable number, because it can be changed into a prime (6474510929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537066 + ... + 548988.

It is an arithmetic number, because the mean of its divisors is an integer number (557089280).

Almost surely, 2^6474510921 is an apocalyptic number.

It is an amenable number.

6474510921 is a deficient number, since it is larger than the sum of its proper divisors (2438917559).

6474510921 is a wasteful number, since it uses less digits than its factorization.

6474510921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17796.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 6474510921 is about 80464.3456507291. The cubic root of 6474510921 is about 1863.8129399040.

The spelling of 6474510921 in words is "six billion, four hundred seventy-four million, five hundred ten thousand, nine hundred twenty-one".