3745275664433 has 2 divisors, whose sum is σ = 3745275664434. Its totient is φ = 3745275664432.

The previous prime is 3745275664423. The next prime is 3745275664453. The reversal of 3745275664433 is 3344665725473.

3745275664433 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2484838337569 + 1260437326864 = 1576337^2 + 1122692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745275664433 is a prime.

It is a super-2 number, since 2×3745275664433² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3745275664423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872637832216 + 1872637832217.

It is an arithmetic number, because the mean of its divisors is an integer number (1872637832217).

Almost surely, 2^{3745275664433} is an apocalyptic number.

It is an amenable number.

3745275664433 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745275664433 is an equidigital number, since it uses as much as digits as its factorization.

3745275664433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 59.

The spelling of 3745275664433 in words is "three trillion, seven hundred forty-five billion, two hundred seventy-five million, six hundred sixty-four thousand, four hundred thirty-three".