3654426623 has 2 divisors, whose sum is σ = 3654426624. Its totient is φ = 3654426622.

The previous prime is 3654426571. The next prime is 3654426649. The reversal of 3654426623 is 3266244563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3654426623 - 2²⁶ = 3587317759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3654426653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827213311 + 1827213312.

It is an arithmetic number, because the mean of its divisors is an integer number (1827213312).

Almost surely, 2^3654426623 is an apocalyptic number.

3654426623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654426623 is an equidigital number, since it uses as much as digits as its factorization.

3654426623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 41.

The square root of 3654426623 is about 60451.8537598311. The cubic root of 3654426623 is about 1540.3039012042.

The spelling of 3654426623 in words is "three billion, six hundred fifty-four million, four hundred twenty-six thousand, six hundred twenty-three".