2739749545 has 32 divisors (see below), whose sum is σ = 3654201600. Its totient is φ = 1958826240.

The previous prime is 2739749539. The next prime is 2739749549. The reversal of 2739749545 is 5459479372.

It is not a de Polignac number, because 2739749545 - 2⁵ = 2739749513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2739749549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504756 + ... + 510154.

It is an arithmetic number, because the mean of its divisors is an integer number (114193800).

Almost surely, 2^2739749545 is an apocalyptic number.

It is an amenable number.

2739749545 is a deficient number, since it is larger than the sum of its proper divisors (914452055).

2739749545 is a wasteful number, since it uses less digits than its factorization.

2739749545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665.

The product of its digits is 9525600, while the sum is 55.

The square root of 2739749545 is about 52342.6169101240. The cubic root of 2739749545 is about 1399.2767599419.

The spelling of 2739749545 in words is "two billion, seven hundred thirty-nine million, seven hundred forty-nine thousand, five hundred forty-five".