1873641204381 has 32 divisors (see below), whose sum is σ = 2734923322368. Its totient is φ = 1135838315520.

The previous prime is 1873641204377. The next prime is 1873641204451. The reversal of 1873641204381 is 1834021463781.

It is not a de Polignac number, because 1873641204381 - 2² = 1873641204377 is a prime.

It is a super-2 number, since 2×1873641204381² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1873641204381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873641204341) 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, 2515 + ... + 1935791.

It is an arithmetic number, because the mean of its divisors is an integer number (85466353824).

Almost surely, 2^{1873641204381} is an apocalyptic number.

It is an amenable number.

1873641204381 is a deficient number, since it is larger than the sum of its proper divisors (861282117987).

1873641204381 is a wasteful number, since it uses less digits than its factorization.

1873641204381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933941.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 1873641204381 in words is "one trillion, eight hundred seventy-three billion, six hundred forty-one million, two hundred four thousand, three hundred eighty-one".