3959992045 has 8 divisors (see below), whose sum is σ = 4763334240. Its totient is φ = 3160431120.

The previous prime is 3959992039. The next prime is 3959992051. The reversal of 3959992045 is 5402999593.

It is an interprime number because it is at equal distance from previous prime (3959992039) and next prime (3959992051).

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

It is a de Polignac number, because none of the positive numbers 2^k-3959992045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943011 + ... + 947200.

It is an arithmetic number, because the mean of its divisors is an integer number (595416780).

Almost surely, 2^3959992045 is an apocalyptic number.

It is an amenable number.

3959992045 is a deficient number, since it is larger than the sum of its proper divisors (803342195).

3959992045 is a wasteful number, since it uses less digits than its factorization.

3959992045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890635.

The product of its (nonzero) digits is 3936600, while the sum is 55.

The square root of 3959992045 is about 62928.4676835532. The cubic root of 3959992045 is about 1582.0909193033.

It can be divided in two parts, 3959 and 992045, that added together give a square (996004 = 998²).

The spelling of 3959992045 in words is "three billion, nine hundred fifty-nine million, nine hundred ninety-two thousand, forty-five".