3970249989 has 16 divisors (see below), whose sum is σ = 5606651520. Its totient is φ = 2490429440.

The previous prime is 3970249967. The next prime is 3970249993. The reversal of 3970249989 is 9899420793.

It is a cyclic number.

It is not a de Polignac number, because 3970249989 - 2¹² = 3970245893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970249919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215077 + ... + 232805.

It is an arithmetic number, because the mean of its divisors is an integer number (350415720).

Almost surely, 2^3970249989 is an apocalyptic number.

It is an amenable number.

3970249989 is a deficient number, since it is larger than the sum of its proper divisors (1636401531).

3970249989 is a wasteful number, since it uses less digits than its factorization.

3970249989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22140.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The square root of 3970249989 is about 63009.9197666526. The cubic root of 3970249989 is about 1583.4558216252.

The spelling of 3970249989 in words is "three billion, nine hundred seventy million, two hundred forty-nine thousand, nine hundred eighty-nine".