2620943390 has 16 divisors (see below), whose sum is σ = 5080598208. Its totient is φ = 967732896.

The previous prime is 2620943383. The next prime is 2620943417. The reversal of 2620943390 is 933490262.

It is a Curzon number.

It is a congruent number.

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, 10080422 + ... + 10080681.

It is an arithmetic number, because the mean of its divisors is an integer number (317537388).

Almost surely, 2^2620943390 is an apocalyptic number.

2620943390 is a deficient number, since it is larger than the sum of its proper divisors (2459654818).

2620943390 is a wasteful number, since it uses less digits than its factorization.

2620943390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161123.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 2620943390 is about 51195.1500632628. The cubic root of 2620943390 is about 1378.7511263127.

The spelling of 2620943390 in words is "two billion, six hundred twenty million, nine hundred forty-three thousand, three hundred ninety".