2643199262 has 24 divisors (see below), whose sum is σ = 4360667808. Its totient is φ = 1200719520.

The previous prime is 2643199249. The next prime is 2643199267. The reversal of 2643199262 is 2629913462.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643199267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689483 + ... + 693305.

It is an arithmetic number, because the mean of its divisors is an integer number (181694492).

Almost surely, 2^2643199262 is an apocalyptic number.

2643199262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2643199262 is a deficient number, since it is larger than the sum of its proper divisors (1717468546).

2643199262 is a wasteful number, since it uses less digits than its factorization.

2643199262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704 (or 6693 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 2643199262 is about 51412.0536644861. The cubic root of 2643199262 is about 1382.6427098882.

The spelling of 2643199262 in words is "two billion, six hundred forty-three million, one hundred ninety-nine thousand, two hundred sixty-two".