3990750051 has 8 divisors (see below), whose sum is σ = 5634000144. Its totient is φ = 2504000000.

The previous prime is 3990750019. The next prime is 3990750053. The reversal of 3990750051 is 1500570993.

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 3990750051 - 2⁵ = 3990750019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3990749991 and 3990750009.

It is not an unprimeable number, because it can be changed into a prime (3990750053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39124950 + ... + 39125051.

It is an arithmetic number, because the mean of its divisors is an integer number (704250018).

Almost surely, 2^3990750051 is an apocalyptic number.

3990750051 is a deficient number, since it is larger than the sum of its proper divisors (1643250093).

3990750051 is a wasteful number, since it uses less digits than its factorization.

3990750051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78250021.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 3990750051 is about 63172.3836102454. The cubic root of 3990750051 is about 1586.1764926589.

The spelling of 3990750051 in words is "three billion, nine hundred ninety million, seven hundred fifty thousand, fifty-one".