3623725493 has 2 divisors, whose sum is σ = 3623725494. Its totient is φ = 3623725492.

The previous prime is 3623725489. The next prime is 3623725519. The reversal of 3623725493 is 3945273263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2846542609 + 777182884 = 53353^2 + 27878^2 .

It is a cyclic number.

It is not a de Polignac number, because 3623725493 - 2² = 3623725489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3623725433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811862746 + 1811862747.

It is an arithmetic number, because the mean of its divisors is an integer number (1811862747).

Almost surely, 2^3623725493 is an apocalyptic number.

It is an amenable number.

3623725493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3623725493 is an equidigital number, since it uses as much as digits as its factorization.

3623725493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The square root of 3623725493 is about 60197.3877589385. The cubic root of 3623725493 is about 1535.9783600478.

The spelling of 3623725493 in words is "three billion, six hundred twenty-three million, seven hundred twenty-five thousand, four hundred ninety-three".