3720985039 has 4 divisors (see below), whose sum is σ = 3724084480. Its totient is φ = 3717885600.

The previous prime is 3720985033. The next prime is 3720985049. The reversal of 3720985039 is 9305890273.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3720985039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3720985039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720985033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547919 + ... + 1550320.

It is an arithmetic number, because the mean of its divisors is an integer number (931021120).

Almost surely, 2^3720985039 is an apocalyptic number.

3720985039 is a deficient number, since it is larger than the sum of its proper divisors (3099441).

3720985039 is a wasteful number, since it uses less digits than its factorization.

3720985039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099440.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 3720985039 is about 60999.8773687292. The cubic root of 3720985039 is about 1549.5989304309.

The spelling of 3720985039 in words is "three billion, seven hundred twenty million, nine hundred eighty-five thousand, thirty-nine".