2687173434 has 64 divisors (see below), whose sum is σ = 6724546560. Its totient is φ = 788022000.

The previous prime is 2687173381. The next prime is 2687173469. The reversal of 2687173434 is 4343717862.

It is a self number, because there is not a number n which added to its sum of digits gives 2687173434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54552 + ... + 91379.

It is an arithmetic number, because the mean of its divisors is an integer number (105071040).

Almost surely, 2^2687173434 is an apocalyptic number.

2687173434 is an abundant number, since it is smaller than the sum of its proper divisors (4037373126).

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

2687173434 is a wasteful number, since it uses less digits than its factorization.

2687173434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145984 (or 145978 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 2687173434 is about 51837.9536054424. The cubic root of 2687173434 is about 1390.2681252169.

It can be divided in two parts, 2687 and 173434, that added together give a triangular number (176121 = T₅₉₃).

The spelling of 2687173434 in words is "two billion, six hundred eighty-seven million, one hundred seventy-three thousand, four hundred thirty-four".