3654438754159 has 4 divisors (see below), whose sum is σ = 3716378394120. Its totient is φ = 3592499114200.

The previous prime is 3654438754147. The next prime is 3654438754177. The reversal of 3654438754159 is 9514578344563.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3654438754159 - 2³⁷ = 3516999800687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3654438754159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654438754189) 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, 30969819892 + ... + 30969820009.

It is an arithmetic number, because the mean of its divisors is an integer number (929094598530).

Almost surely, 2^{3654438754159} is an apocalyptic number.

3654438754159 is a deficient number, since it is larger than the sum of its proper divisors (61939639961).

3654438754159 is an equidigital number, since it uses as much as digits as its factorization.

3654438754159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61939639960.

The product of its digits is 217728000, while the sum is 64.

The spelling of 3654438754159 in words is "three trillion, six hundred fifty-four billion, four hundred thirty-eight million, seven hundred fifty-four thousand, one hundred fifty-nine".