33976321465 has 16 divisors (see below), whose sum is σ = 43298051472. Its totient is φ = 25506238464.

The previous prime is 33976321403. The next prime is 33976321471. The reversal of 33976321465 is 56412367933.

It can be written as a sum of positive squares in 8 ways, for example, as 3713196096 + 30263125369 = 60936^2 + 173963^2 .

It is a cyclic number.

It is not a de Polignac number, because 33976321465 - 2²⁹ = 33439450553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564414 + ... + 621703.

It is an arithmetic number, because the mean of its divisors is an integer number (2706128217).

Almost surely, 2^33976321465 is an apocalyptic number.

It is an amenable number.

33976321465 is a deficient number, since it is larger than the sum of its proper divisors (9321730007).

33976321465 is a wasteful number, since it uses less digits than its factorization.

33976321465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186476.

The product of its digits is 2449440, while the sum is 49.

The spelling of 33976321465 in words is "thirty-three billion, nine hundred seventy-six million, three hundred twenty-one thousand, four hundred sixty-five".