2620388133 has 48 divisors (see below), whose sum is σ = 4236800256. Its totient is φ = 1547013120.

The previous prime is 2620388123. The next prime is 2620388171. The reversal of 2620388133 is 3318830262.

2620388133 is a `hidden beast` number, since 262 + 0 + 388 + 13 + 3 = 666.

It is not a de Polignac number, because 2620388133 - 2¹⁴ = 2620371749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620388123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1082941 + ... + 1085357.

It is an arithmetic number, because the mean of its divisors is an integer number (88266672).

Almost surely, 2^2620388133 is an apocalyptic number.

It is an amenable number.

2620388133 is a deficient number, since it is larger than the sum of its proper divisors (1616412123).

2620388133 is a wasteful number, since it uses less digits than its factorization.

2620388133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2620388133 is about 51189.7268306835. The cubic root of 2620388133 is about 1378.6537548490.

The spelling of 2620388133 in words is "two billion, six hundred twenty million, three hundred eighty-eight thousand, one hundred thirty-three".