3651550042013 has 4 divisors (see below), whose sum is σ = 3651882647040. Its totient is φ = 3651217436988.

The previous prime is 3651550041941. The next prime is 3651550042037. The reversal of 3651550042013 is 3102400551563.

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 3651550042013 - 2²⁰ = 3651548993437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651550042043) 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, 166286045 + ... + 166308002.

It is an arithmetic number, because the mean of its divisors is an integer number (912970661760).

Almost surely, 2^{3651550042013} is an apocalyptic number.

It is an amenable number.

3651550042013 is a deficient number, since it is larger than the sum of its proper divisors (332605027).

3651550042013 is a wasteful number, since it uses less digits than its factorization.

3651550042013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332605026.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 3651550042013 its reverse (3102400551563), we get a palindrome (6753950593576).

The spelling of 3651550042013 in words is "three trillion, six hundred fifty-one billion, five hundred fifty million, forty-two thousand, thirteen".