196850991430 has 16 divisors (see below), whose sum is σ = 354401095680. Its totient is φ = 78724994112.

The previous prime is 196850991373. The next prime is 196850991517. The reversal of 196850991430 is 34199058691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871559 + ... + 1973938.

It is an arithmetic number, because the mean of its divisors is an integer number (22150068480).

Almost surely, 2^196850991430 is an apocalyptic number.

196850991430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196850991430 is a deficient number, since it is larger than the sum of its proper divisors (157550104250).

196850991430 is a wasteful number, since it uses less digits than its factorization.

196850991430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850623.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 196850991430 in words is "one hundred ninety-six billion, eight hundred fifty million, nine hundred ninety-one thousand, four hundred thirty".