3747207445513 has 6 divisors (see below), whose sum is σ = 4358996416266. Its totient is φ = 3211892096112.

The previous prime is 3747207445463. The next prime is 3747207445529. The reversal of 3747207445513 is 3155447027473.

It can be written as a sum of positive squares in only one way, i.e., 3696225418249 + 50982027264 = 1922557^2 + 225792^2 .

It is not a de Polignac number, because 3747207445513 - 2²⁹ = 3746670574601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3747207446513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38236810620 + ... + 38236810717.

It is an arithmetic number, because the mean of its divisors is an integer number (726499402711).

Almost surely, 2^{3747207445513} is an apocalyptic number.

It is an amenable number.

3747207445513 is a deficient number, since it is larger than the sum of its proper divisors (611788970753).

3747207445513 is an equidigital number, since it uses as much as digits as its factorization.

3747207445513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76473621351 (or 76473621344 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 52.

The spelling of 3747207445513 in words is "three trillion, seven hundred forty-seven billion, two hundred seven million, four hundred forty-five thousand, five hundred thirteen".