2986961791 has 8 divisors (see below), whose sum is σ = 3262898304. Its totient is φ = 2711757720.

The previous prime is 2986961777. The next prime is 2986961819. The reversal of 2986961791 is 1971696892.

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 2986961791 - 2⁹ = 2986961279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986961711) 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, 174561 + ... + 190906.

It is an arithmetic number, because the mean of its divisors is an integer number (407862288).

Almost surely, 2^2986961791 is an apocalyptic number.

2986961791 is a deficient number, since it is larger than the sum of its proper divisors (275936513).

2986961791 is a wasteful number, since it uses less digits than its factorization.

2986961791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366221.

The product of its digits is 2939328, while the sum is 58.

The square root of 2986961791 is about 54653.1041295918. The cubic root of 2986961791 is about 1440.1571637555.

The spelling of 2986961791 in words is "two billion, nine hundred eighty-six million, nine hundred sixty-one thousand, seven hundred ninety-one".