1416991465 has 12 divisors (see below), whose sum is σ = 1705537476. Its totient is φ = 1130169248.

The previous prime is 1416991453. The next prime is 1416991483. The reversal of 1416991465 is 5641996141.

It can be written as a sum of positive squares in 2 ways, for example, as 1088802009 + 328189456 = 32997^2 + 18116^2 .

It is not a de Polignac number, because 1416991465 - 2²³ = 1408602857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2092707 + ... + 2093383.

It is an arithmetic number, because the mean of its divisors is an integer number (142128123).

Almost surely, 2^1416991465 is an apocalyptic number.

It is an amenable number.

1416991465 is a deficient number, since it is larger than the sum of its proper divisors (288546011).

1416991465 is an frugal number, since it uses more digits than its factorization.

1416991465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1329 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 1416991465 is about 37642.9470817576. The cubic root of 1416991465 is about 1123.1965085508.

The spelling of 1416991465 in words is "one billion, four hundred sixteen million, nine hundred ninety-one thousand, four hundred sixty-five".