197019913293969 has 16 divisors (see below), whose sum is σ = 271167765749760. Its totient is φ = 127109352764880.

The previous prime is 197019913293779. The next prime is 197019913293977. The reversal of 197019913293969 is 969392319910791.

It is not a de Polignac number, because 197019913293969 - 2¹³ = 197019913285777 is a prime.

It is a super-2 number, since 2×197019913293969² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197019913293894 and 197019913293903.

It is not an unprimeable number, because it can be changed into a prime (197019913293569) 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 15 ways as a sum of consecutive naturals, for example, 48021352 + ... + 51962390.

It is an arithmetic number, because the mean of its divisors is an integer number (16947985359360).

Almost surely, 2^{197019913293969} is an apocalyptic number.

It is an amenable number.

197019913293969 is a deficient number, since it is larger than the sum of its proper divisors (74147852455791).

197019913293969 is a wasteful number, since it uses less digits than its factorization.

197019913293969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478620.

The product of its (nonzero) digits is 401769396, while the sum is 78.

The spelling of 197019913293969 in words is "one hundred ninety-seven trillion, nineteen billion, nine hundred thirteen million, two hundred ninety-three thousand, nine hundred sixty-nine".