4004372065 has 8 divisors (see below), whose sum is σ = 4805703720. Its totient is φ = 3203192832.

The previous prime is 4004371991. The next prime is 4004372077. The reversal of 4004372065 is 5602734004.

It can be written as a sum of positive squares in 4 ways, for example, as 45319824 + 3959052241 = 6732^2 + 62921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4004372065 - 2¹³ = 4004363873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31137 + ... + 94753.

It is an arithmetic number, because the mean of its divisors is an integer number (600712965).

Almost surely, 2^4004372065 is an apocalyptic number.

It is an amenable number.

4004372065 is a deficient number, since it is larger than the sum of its proper divisors (801331655).

4004372065 is a wasteful number, since it uses less digits than its factorization.

4004372065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76211.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 4004372065 is about 63280.1079724110. The cubic root of 4004372065 is about 1587.9791930951.

The spelling of 4004372065 in words is "four billion, four million, three hundred seventy-two thousand, sixty-five".