1797838514253 has 80 divisors (see below), whose sum is σ = 2787968937600. Its totient is φ = 1153945443456.

The previous prime is 1797838514249. The next prime is 1797838514267. The reversal of 1797838514253 is 3524158387971.

It is a happy number.

1797838514253 is a `hidden beast` number, since 1 + 7 + 97 + 8 + 3 + 8 + 514 + 25 + 3 = 666.

It is not a de Polignac number, because 1797838514253 - 2² = 1797838514249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797838514653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 53074600 + ... + 53108462.

It is an arithmetic number, because the mean of its divisors is an integer number (34849611720).

Almost surely, 2^{1797838514253} is an apocalyptic number.

It is an amenable number.

1797838514253 is a deficient number, since it is larger than the sum of its proper divisors (990130423347).

1797838514253 is a wasteful number, since it uses less digits than its factorization.

1797838514253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34160 (or 34151 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 1797838514253 in words is "one trillion, seven hundred ninety-seven billion, eight hundred thirty-eight million, five hundred fourteen thousand, two hundred fifty-three".