197425951393 has 12 divisors (see below), whose sum is σ = 228426723280. Its totient is φ = 170031917880.

The previous prime is 197425951357. The next prime is 197425951399. The reversal of 197425951393 is 393159524791.

It is not a de Polignac number, because 197425951393 - 2²¹ = 197423854241 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (197425951399) 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, 42935055 + ... + 42939652.

Almost surely, 2^197425951393 is an apocalyptic number.

It is an amenable number.

197425951393 is a deficient number, since it is larger than the sum of its proper divisors (31000771887).

197425951393 is a wasteful number, since it uses less digits than its factorization.

197425951393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85874748 (or 85874737 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 58.

The spelling of 197425951393 in words is "one hundred ninety-seven billion, four hundred twenty-five million, nine hundred fifty-one thousand, three hundred ninety-three".