1838319423841 has 16 divisors (see below), whose sum is σ = 1890553125888. Its totient is φ = 1786978040400.

The previous prime is 1838319423827. The next prime is 1838319423859. The reversal of 1838319423841 is 1483249138381.

It is a cyclic number.

It is not a de Polignac number, because 1838319423841 - 2¹³ = 1838319415649 is a prime.

It is a super-2 number, since 2×1838319423841² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1838319423881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029556 + ... + 2176378.

It is an arithmetic number, because the mean of its divisors is an integer number (118159570368).

Almost surely, 2^{1838319423841} is an apocalyptic number.

It is an amenable number.

1838319423841 is a deficient number, since it is larger than the sum of its proper divisors (52233702047).

1838319423841 is a wasteful number, since it uses less digits than its factorization.

1838319423841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147212.

The product of its digits is 3981312, while the sum is 55.

The spelling of 1838319423841 in words is "one trillion, eight hundred thirty-eight billion, three hundred nineteen million, four hundred twenty-three thousand, eight hundred forty-one".