3153991986 has 16 divisors (see below), whose sum is σ = 7008871200. Its totient is φ = 1051330644.

The previous prime is 3153991933. The next prime is 3153991991. The reversal of 3153991986 is 6891993513.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 58407259 = 3153991986 / (3 + 1 + 5 + 3 + 9 + 9 + 1 + 9 + 8 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29203576 + ... + 29203683.

It is an arithmetic number, because the mean of its divisors is an integer number (438054450).

Almost surely, 2^3153991986 is an apocalyptic number.

3153991986 is an abundant number, since it is smaller than the sum of its proper divisors (3854879214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3153991986 is a wasteful number, since it uses less digits than its factorization.

3153991986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58407270 (or 58407264 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 3153991986 is about 56160.4129792508. The cubic root of 3153991986 is about 1466.5161899224.

The spelling of 3153991986 in words is "three billion, one hundred fifty-three million, nine hundred ninety-one thousand, nine hundred eighty-six".