196969594390 has 64 divisors (see below), whose sum is σ = 362508410880. Its totient is φ = 77042085120.

The previous prime is 196969594379. The next prime is 196969594399. The reversal of 196969594390 is 93495969691.

It is a super-2 number, since 2×196969594390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196969594399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35790379 + ... + 35795881.

It is an arithmetic number, because the mean of its divisors is an integer number (5664193920).

Almost surely, 2^196969594390 is an apocalyptic number.

196969594390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196969594390 is a deficient number, since it is larger than the sum of its proper divisors (165538816490).

196969594390 is a wasteful number, since it uses less digits than its factorization.

196969594390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037.

The product of its (nonzero) digits is 127545840, while the sum is 70.

The spelling of 196969594390 in words is "one hundred ninety-six billion, nine hundred sixty-nine million, five hundred ninety-four thousand, three hundred ninety".