2641943946 has 16 divisors (see below), whose sum is σ = 5286204000. Its totient is φ = 880261968.

The previous prime is 2641943903. The next prime is 2641943959. The reversal of 2641943946 is 6493491462.

It is a junction number, because it is equal to n+sod(n) for n = 2641943895 and 2641943904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81496 + ... + 109203.

It is an arithmetic number, because the mean of its divisors is an integer number (330387750).

Almost surely, 2^2641943946 is an apocalyptic number.

2641943946 is an abundant number, since it is smaller than the sum of its proper divisors (2644260054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2641943946 is a wasteful number, since it uses less digits than its factorization.

2641943946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193013.

The product of its digits is 1119744, while the sum is 48.

The square root of 2641943946 is about 51399.8438324476. The cubic root of 2641943946 is about 1382.4237923084.

The spelling of 2641943946 in words is "two billion, six hundred forty-one million, nine hundred forty-three thousand, nine hundred forty-six".