7418464857 has 24 divisors (see below), whose sum is σ = 11090319240. Its totient is φ = 4772839680.

The previous prime is 7418464853. The next prime is 7418464883. The reversal of 7418464857 is 7584648147.

It can be written as a sum of positive squares in 4 ways, for example, as 2828537856 + 4589927001 = 53184^2 + 67749^2 .

It is not a de Polignac number, because 7418464857 - 2² = 7418464853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7418464853) 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 in 23 ways as a sum of consecutive naturals, for example, 677607 + ... + 688467.

It is an arithmetic number, because the mean of its divisors is an integer number (462096635).

Almost surely, 2^7418464857 is an apocalyptic number.

It is an amenable number.

7418464857 is a deficient number, since it is larger than the sum of its proper divisors (3671854383).

7418464857 is a wasteful number, since it uses less digits than its factorization.

7418464857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13513 (or 13510 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 7418464857 is about 86130.5106045471. The cubic root of 7418464857 is about 1950.3146419304.

The spelling of 7418464857 in words is "seven billion, four hundred eighteen million, four hundred sixty-four thousand, eight hundred fifty-seven".