3918516069901 has 4 divisors (see below), whose sum is σ = 3918615004512. Its totient is φ = 3918417135292.

The previous prime is 3918516069893. The next prime is 3918516069977. The reversal of 3918516069901 is 1099606158193.

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 3918516069901 - 2³ = 3918516069893 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 (3918516079901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49407871 + ... + 49487116.

It is an arithmetic number, because the mean of its divisors is an integer number (979653751128).

Almost surely, 2^{3918516069901} is an apocalyptic number.

It is an amenable number.

3918516069901 is a deficient number, since it is larger than the sum of its proper divisors (98934611).

3918516069901 is an equidigital number, since it uses as much as digits as its factorization.

3918516069901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98934610.

The product of its (nonzero) digits is 3149280, while the sum is 58.

The spelling of 3918516069901 in words is "three trillion, nine hundred eighteen billion, five hundred sixteen million, sixty-nine thousand, nine hundred one".