2977081243 has 4 divisors (see below), whose sum is σ = 2977682488. Its totient is φ = 2976480000.

The previous prime is 2977081207. The next prime is 2977081313. The reversal of 2977081243 is 3421807792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2977081243 - 2⁹ = 2977080731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2977081243.

It is not an unprimeable number, because it can be changed into a prime (2977081543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293133 + ... + 303118.

It is an arithmetic number, because the mean of its divisors is an integer number (744420622).

Almost surely, 2^2977081243 is an apocalyptic number.

2977081243 is a deficient number, since it is larger than the sum of its proper divisors (601245).

2977081243 is an equidigital number, since it uses as much as digits as its factorization.

2977081243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601244.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 2977081243 is about 54562.6359608844. The cubic root of 2977081243 is about 1438.5674479831.

The spelling of 2977081243 in words is "two billion, nine hundred seventy-seven million, eighty-one thousand, two hundred forty-three".