3705939732245 has 4 divisors (see below), whose sum is σ = 4447127678700. Its totient is φ = 2964751785792.

The previous prime is 3705939732241. The next prime is 3705939732259. The reversal of 3705939732245 is 5422379395073.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1004499049009 + 2701440683236 = 1002247^2 + 1643606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3705939732245 - 2² = 3705939732241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705939732241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370593973220 + ... + 370593973229.

It is an arithmetic number, because the mean of its divisors is an integer number (1111781919675).

Almost surely, 2^{3705939732245} is an apocalyptic number.

It is an amenable number.

3705939732245 is a deficient number, since it is larger than the sum of its proper divisors (741187946455).

3705939732245 is an equidigital number, since it uses as much as digits as its factorization.

3705939732245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741187946454.

The product of its (nonzero) digits is 42865200, while the sum is 59.

The spelling of 3705939732245 in words is "three trillion, seven hundred five billion, nine hundred thirty-nine million, seven hundred thirty-two thousand, two hundred forty-five".