2983107981 has 16 divisors (see below), whose sum is σ = 4743327744. Its totient is φ = 1630518384.

The previous prime is 2983107973. The next prime is 2983107983. The reversal of 2983107981 is 1897013892.

It is not a de Polignac number, because 2983107981 - 2³ = 2983107973 is a prime.

It is a super-2 number, since 2×2983107981² = 17797866452611792722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2983107981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2983107983) 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, 3087621 + ... + 3088586.

It is an arithmetic number, because the mean of its divisors is an integer number (296457984).

Almost surely, 2^2983107981 is an apocalyptic number.

2983107981 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2983107981 is a deficient number, since it is larger than the sum of its proper divisors (1760219763).

2983107981 is a wasteful number, since it uses less digits than its factorization.

2983107981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176240.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 2983107981 is about 54617.8357407175. The cubic root of 2983107981 is about 1439.5375284751.

The spelling of 2983107981 in words is "two billion, nine hundred eighty-three million, one hundred seven thousand, nine hundred eighty-one".