2645437774532 has 24 divisors (see below), whose sum is σ = 5357848661760. Its totient is φ = 1119407664960.

The previous prime is 2645437774523. The next prime is 2645437774537. The reversal of 2645437774532 is 2354777345462.

2645437774532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2645437774537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597971969 + ... + 597976392.

It is an arithmetic number, because the mean of its divisors is an integer number (223243694240).

Almost surely, 2^{2645437774532} is an apocalyptic number.

It is an amenable number.

2645437774532 is an abundant number, since it is smaller than the sum of its proper divisors (2712410887228).

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

2645437774532 is a wasteful number, since it uses less digits than its factorization.

2645437774532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195948451 (or 1195948449 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 59.

The spelling of 2645437774532 in words is "two trillion, six hundred forty-five billion, four hundred thirty-seven million, seven hundred seventy-four thousand, five hundred thirty-two".