1797213753 has 12 divisors (see below), whose sum is σ = 2611522368. Its totient is φ = 1190967000.

The previous prime is 1797213727. The next prime is 1797213763. The reversal of 1797213753 is 3573127971.

It is not a de Polignac number, because 1797213753 - 2⁶ = 1797213689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1797213699 and 1797213708.

It is not an unprimeable number, because it can be changed into a prime (1797213763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596373 + ... + 599378.

It is an arithmetic number, because the mean of its divisors is an integer number (217626864).

Almost surely, 2^1797213753 is an apocalyptic number.

It is an amenable number.

1797213753 is a deficient number, since it is larger than the sum of its proper divisors (814308615).

1797213753 is a wasteful number, since it uses less digits than its factorization.

1797213753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195924 (or 1195921 counting only the distinct ones).

The product of its digits is 277830, while the sum is 45.

The square root of 1797213753 is about 42393.5579186272. The cubic root of 1797213753 is about 1215.8124262068.

The spelling of 1797213753 in words is "one billion, seven hundred ninety-seven million, two hundred thirteen thousand, seven hundred fifty-three".