2642421052 has 12 divisors (see below), whose sum is σ = 4625540640. Its totient is φ = 1320838016.

The previous prime is 2642421049. The next prime is 2642421109. The reversal of 2642421052 is 2501242462.

It is a self number, because there is not a number n which added to its sum of digits gives 2642421052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76852 + ... + 105787.

It is an arithmetic number, because the mean of its divisors is an integer number (385461720).

Almost surely, 2^2642421052 is an apocalyptic number.

It is an amenable number.

2642421052 is a deficient number, since it is larger than the sum of its proper divisors (1983119588).

2642421052 is a wasteful number, since it uses less digits than its factorization.

2642421052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186260 (or 186258 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2642421052 is about 51404.4847459830. The cubic root of 2642421052 is about 1382.5070041403.

The spelling of 2642421052 in words is "two billion, six hundred forty-two million, four hundred twenty-one thousand, fifty-two".