1938942673941 has 32 divisors (see below), whose sum is σ = 3183140314368. Its totient is φ = 1022325742080.

The previous prime is 1938942673937. The next prime is 1938942673951. The reversal of 1938942673941 is 1493762498391.

It is not a de Polignac number, because 1938942673941 - 2² = 1938942673937 is a prime.

It is a super-3 number, since 3×1938942673941³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938942673951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 757440 + ... + 2109881.

It is an arithmetic number, because the mean of its divisors is an integer number (99473134824).

Almost surely, 2^{1938942673941} is an apocalyptic number.

It is an amenable number.

1938942673941 is a deficient number, since it is larger than the sum of its proper divisors (1244197640427).

1938942673941 is a wasteful number, since it uses less digits than its factorization.

1938942673941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869821.

The product of its digits is 70543872, while the sum is 66.

The spelling of 1938942673941 in words is "one trillion, nine hundred thirty-eight billion, nine hundred forty-two million, six hundred seventy-three thousand, nine hundred forty-one".