2534646789 has 16 divisors (see below), whose sum is σ = 3755822400. Its totient is φ = 1689409008.

The previous prime is 2534646787. The next prime is 2534646799. The reversal of 2534646789 is 9876464352.

It is not a de Polignac number, because 2534646789 - 2¹ = 2534646787 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534646787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 209107 + ... + 220895.

It is an arithmetic number, because the mean of its divisors is an integer number (234738900).

Almost surely, 2^2534646789 is an apocalyptic number.

It is an amenable number.

2534646789 is a deficient number, since it is larger than the sum of its proper divisors (1221175611).

2534646789 is a wasteful number, since it uses less digits than its factorization.

2534646789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19761 (or 19755 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 2534646789 is about 50345.2757366568. The cubic root of 2534646789 is about 1363.4497894448.

The spelling of 2534646789 in words is "two billion, five hundred thirty-four million, six hundred forty-six thousand, seven hundred eighty-nine".