3764872613 has 4 divisors (see below), whose sum is σ = 3810232608. Its totient is φ = 3719512620.

The previous prime is 3764872589. The next prime is 3764872627. The reversal of 3764872613 is 3162784673.

3764872613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3162784673 = 71 ⋅44546263.

It is a cyclic number.

It is not a de Polignac number, because 3764872613 - 2¹² = 3764868517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3764872663) 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, 22679873 + ... + 22680038.

It is an arithmetic number, because the mean of its divisors is an integer number (952558152).

Almost surely, 2^3764872613 is an apocalyptic number.

It is an amenable number.

3764872613 is a deficient number, since it is larger than the sum of its proper divisors (45359995).

3764872613 is an equidigital number, since it uses as much as digits as its factorization.

3764872613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45359994.

The product of its digits is 1016064, while the sum is 47.

The square root of 3764872613 is about 61358.5577812908. The cubic root of 3764872613 is about 1555.6674399640.

The spelling of 3764872613 in words is "three billion, seven hundred sixty-four million, eight hundred seventy-two thousand, six hundred thirteen".