2645473733139 has 16 divisors (see below), whose sum is σ = 3717101286144. Its totient is φ = 1670266092000.

The previous prime is 2645473733137. The next prime is 2645473733171. The reversal of 2645473733139 is 9313373745462.

It is a happy number.

2645473733139 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645473733139 - 2¹ = 2645473733137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2645473733137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189795997 + ... + 189809934.

It is an arithmetic number, because the mean of its divisors is an integer number (232318830384).

Almost surely, 2^{2645473733139} is an apocalyptic number.

2645473733139 is a deficient number, since it is larger than the sum of its proper divisors (1071627553005).

2645473733139 is a wasteful number, since it uses less digits than its factorization.

2645473733139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379606058.

The product of its digits is 34292160, while the sum is 57.

The spelling of 2645473733139 in words is "two trillion, six hundred forty-five billion, four hundred seventy-three million, seven hundred thirty-three thousand, one hundred thirty-nine".