196249472490 has 16 divisors (see below), whose sum is σ = 470998734048. Its totient is φ = 52333192656.

The previous prime is 196249472479. The next prime is 196249472501. The reversal of 196249472490 is 94274942691.

It is an interprime number because it is at equal distance from previous prime (196249472479) and next prime (196249472501).

It is a self number, because there is not a number n which added to its sum of digits gives 196249472490.

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, 3270824512 + ... + 3270824571.

It is an arithmetic number, because the mean of its divisors is an integer number (29437420878).

Almost surely, 2^196249472490 is an apocalyptic number.

196249472490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196249472490 is an abundant number, since it is smaller than the sum of its proper divisors (274749261558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196249472490 is a wasteful number, since it uses less digits than its factorization.

196249472490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541649093.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 196249472490 in words is "one hundred ninety-six billion, two hundred forty-nine million, four hundred seventy-two thousand, four hundred ninety".