9814197957 has 8 divisors (see below), whose sum is σ = 13654536384. Its totient is φ = 6258329088.

The previous prime is 9814197947. The next prime is 9814197959. The reversal of 9814197957 is 7597914189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9814197957 - 2¹⁰ = 9814196933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9814197957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9814197959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71117308 + ... + 71117445.

It is an arithmetic number, because the mean of its divisors is an integer number (1706817048).

Almost surely, 2^9814197957 is an apocalyptic number.

It is an amenable number.

9814197957 is a deficient number, since it is larger than the sum of its proper divisors (3840338427).

9814197957 is a wasteful number, since it uses less digits than its factorization.

9814197957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142234779.

The product of its digits is 5715360, while the sum is 60.

The square root of 9814197957 is about 99066.6339238394. The cubic root of 9814197957 is about 2141.0079070987.

The spelling of 9814197957 in words is "nine billion, eight hundred fourteen million, one hundred ninety-seven thousand, nine hundred fifty-seven".