2956842993 has 16 divisors (see below), whose sum is σ = 4430321280. Its totient is φ = 1740482304.

The previous prime is 2956842953. The next prime is 2956843007. The reversal of 2956842993 is 3992486592.

It is not a de Polignac number, because 2956842993 - 2¹² = 2956838897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2956842913) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1647288 + ... + 1649081.

It is an arithmetic number, because the mean of its divisors is an integer number (276895080).

Almost surely, 2^2956842993 is an apocalyptic number.

2956842993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2956842993 is a deficient number, since it is larger than the sum of its proper divisors (1473478287).

2956842993 is a wasteful number, since it uses less digits than its factorization.

2956842993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296408.

The product of its digits is 8398080, while the sum is 57.

The square root of 2956842993 is about 54376.8608233318. The cubic root of 2956842993 is about 1435.3002310620.

The spelling of 2956842993 in words is "two billion, nine hundred fifty-six million, eight hundred forty-two thousand, nine hundred ninety-three".