2994998643 has 48 divisors (see below), whose sum is σ = 5388714240. Its totient is φ = 1560710592.

The previous prime is 2994998623. The next prime is 2994998653. The reversal of 2994998643 is 3468994992.

It is a happy number.

2994998643 is a `hidden beast` number, since 29 + 9 + 499 + 86 + 43 = 666.

It is not a de Polignac number, because 2994998643 - 2¹⁸ = 2994736499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2994998623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45948 + ... + 90006.

It is an arithmetic number, because the mean of its divisors is an integer number (112264880).

Almost surely, 2^2994998643 is an apocalyptic number.

2994998643 is a deficient number, since it is larger than the sum of its proper divisors (2393715597).

2994998643 is a wasteful number, since it uses less digits than its factorization.

2994998643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44168 (or 44165 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The square root of 2994998643 is about 54726.5807720526. The cubic root of 2994998643 is about 1441.4476572936.

The spelling of 2994998643 in words is "two billion, nine hundred ninety-four million, nine hundred ninety-eight thousand, six hundred forty-three".