3654000549749 has 4 divisors (see below), whose sum is σ = 3986182417920. Its totient is φ = 3321818681580.

The previous prime is 3654000549671. The next prime is 3654000549751. The reversal of 3654000549749 is 9479450004563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3654000549749 - 2²⁴ = 3653983772533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3654000549694 and 3654000549703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654000569749) 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, 166090934069 + ... + 166090934090.

It is an arithmetic number, because the mean of its divisors is an integer number (996545604480).

Almost surely, 2^{3654000549749} is an apocalyptic number.

It is an amenable number.

3654000549749 is a deficient number, since it is larger than the sum of its proper divisors (332181868171).

3654000549749 is a wasteful number, since it uses less digits than its factorization.

3654000549749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332181868170.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 3654000549749 in words is "three trillion, six hundred fifty-four billion, five hundred forty-nine thousand, seven hundred forty-nine".