1873015137444 has 48 divisors (see below), whose sum is σ = 5018605159680. Its totient is φ = 537707694240.

The previous prime is 1873015137421. The next prime is 1873015137451. The reversal of 1873015137444 is 4447315103781.

It is a junction number, because it is equal to n+sod(n) for n = 1873015137393 and 1873015137402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373405614 + ... + 373410629.

It is an arithmetic number, because the mean of its divisors is an integer number (104554274160).

Almost surely, 2^{1873015137444} is an apocalyptic number.

It is an amenable number.

1873015137444 is an abundant number, since it is smaller than the sum of its proper divisors (3145590022236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1873015137444 is a wasteful number, since it uses less digits than its factorization.

1873015137444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746816280 (or 746816278 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 1873015137444 in words is "one trillion, eight hundred seventy-three billion, fifteen million, one hundred thirty-seven thousand, four hundred forty-four".