3818087347541 has 4 divisors (see below), whose sum is σ = 3818132682252. Its totient is φ = 3818042012832.

The previous prime is 3818087347523. The next prime is 3818087347549. The reversal of 3818087347541 is 1457437808183.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2166165804100 + 1651921543441 = 1471790^2 + 1285271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3818087347541 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 (3818087347549) 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, 22540790 + ... + 22709543.

It is an arithmetic number, because the mean of its divisors is an integer number (954533170563).

Almost surely, 2^{3818087347541} is an apocalyptic number.

It is an amenable number.

3818087347541 is a deficient number, since it is larger than the sum of its proper divisors (45334711).

3818087347541 is an equidigital number, since it uses as much as digits as its factorization.

3818087347541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45334710.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 3818087347541 in words is "three trillion, eight hundred eighteen billion, eighty-seven million, three hundred forty-seven thousand, five hundred forty-one".