4381137340018 has 8 divisors (see below), whose sum is σ = 6571889700012. Its totient is φ = 2190507440016.

The previous prime is 4381137340003. The next prime is 4381137340033. The reversal of 4381137340018 is 8100437311834.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4381137340003) and next prime (4381137340033).

It can be written as a sum of positive squares in 2 ways, for example, as 4226284858849 + 154852481169 = 2055793^2 + 393513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30525505 + ... + 30668692.

Almost surely, 2^{4381137340018} is an apocalyptic number.

4381137340018 is a deficient number, since it is larger than the sum of its proper divisors (2190752359994).

4381137340018 is a wasteful number, since it uses less digits than its factorization.

4381137340018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61229996.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 4381137340018 in words is "four trillion, three hundred eighty-one billion, one hundred thirty-seven million, three hundred forty thousand, eighteen".