1333978465 has 32 divisors (see below), whose sum is σ = 1681295616. Its totient is φ = 1015123200.

The previous prime is 1333978433. The next prime is 1333978493. The reversal of 1333978465 is 5648793331.

It is not a de Polignac number, because 1333978465 - 2⁵ = 1333978433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1902615 + ... + 1903315.

It is an arithmetic number, because the mean of its divisors is an integer number (52540488).

Almost surely, 2^1333978465 is an apocalyptic number.

It is an amenable number.

1333978465 is a deficient number, since it is larger than the sum of its proper divisors (347317151).

1333978465 is a wasteful number, since it uses less digits than its factorization.

1333978465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its digits is 1632960, while the sum is 49.

The square root of 1333978465 is about 36523.6699278701. The cubic root of 1333978465 is about 1100.8199024949.

The spelling of 1333978465 in words is "one billion, three hundred thirty-three million, nine hundred seventy-eight thousand, four hundred sixty-five".