4015464491 has 2 divisors, whose sum is σ = 4015464492. Its totient is φ = 4015464490.

The previous prime is 4015464487. The next prime is 4015464511. The reversal of 4015464491 is 1944645104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4015464491 - 2² = 4015464487 is a prime.

It is a super-2 number, since 2×4015464491² = 32247910156963778162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4015464451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007732245 + 2007732246.

It is an arithmetic number, because the mean of its divisors is an integer number (2007732246).

Almost surely, 2^4015464491 is an apocalyptic number.

4015464491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4015464491 is an equidigital number, since it uses as much as digits as its factorization.

4015464491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 4015464491 is about 63367.6928016162. The cubic root of 4015464491 is about 1589.4441170858. Note that the first 3 decimals are identical.

The spelling of 4015464491 in words is "four billion, fifteen million, four hundred sixty-four thousand, four hundred ninety-one".