3654732690043 has 4 divisors (see below), whose sum is σ = 3670832834280. Its totient is φ = 3638632545808.

The previous prime is 3654732690031. The next prime is 3654732690127. The reversal of 3654732690043 is 3400962374563.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3654732690043 is a prime.

It is a super-2 number, since 2×3654732690043² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654732690143) 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, 8050071778 + ... + 8050072231.

It is an arithmetic number, because the mean of its divisors is an integer number (917708208570).

Almost surely, 2^{3654732690043} is an apocalyptic number.

3654732690043 is a deficient number, since it is larger than the sum of its proper divisors (16100144237).

3654732690043 is a wasteful number, since it uses less digits than its factorization.

3654732690043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16100144236.

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 3654732690043 in words is "three trillion, six hundred fifty-four billion, seven hundred thirty-two million, six hundred ninety thousand, forty-three".