1993225257452 has 144 divisors (see below), whose sum is σ = 4378676369760. Its totient is φ = 785900881920.

The previous prime is 1993225257451. The next prime is 1993225257461. The reversal of 1993225257452 is 2547525223991.

It is not an unprimeable number, because it can be changed into a prime (1993225257451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70475138 + ... + 70503414.

It is an arithmetic number, because the mean of its divisors is an integer number (30407474790).

Almost surely, 2^{1993225257452} is an apocalyptic number.

It is an amenable number.

1993225257452 is an abundant number, since it is smaller than the sum of its proper divisors (2385451112308).

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

1993225257452 is a wasteful number, since it uses less digits than its factorization.

1993225257452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28992 (or 28979 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 56.

The spelling of 1993225257452 in words is "one trillion, nine hundred ninety-three billion, two hundred twenty-five million, two hundred fifty-seven thousand, four hundred fifty-two".