4640760891 has 64 divisors (see below), whose sum is σ = 7565286400. Its totient is φ = 2794321152.

The previous prime is 4640760889. The next prime is 4640760907. The reversal of 4640760891 is 1980670464.

It is not a de Polignac number, because 4640760891 - 2¹ = 4640760889 is a prime.

It is a super-2 number, since 2×4640760891² = 43073323294870227762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640760881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3560946 + ... + 3562248.

It is an arithmetic number, because the mean of its divisors is an integer number (118207600).

Almost surely, 2^4640760891 is an apocalyptic number.

4640760891 is a deficient number, since it is larger than the sum of its proper divisors (2924525509).

4640760891 is a wasteful number, since it uses less digits than its factorization.

4640760891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 4640760891 is about 68123.1303670053. The cubic root of 4640760891 is about 1668.0013489198.

The spelling of 4640760891 in words is "four billion, six hundred forty million, seven hundred sixty thousand, eight hundred ninety-one".