196464929857 has 16 divisors (see below), whose sum is σ = 231901626240. Its totient is φ = 162957854592.

The previous prime is 196464929839. The next prime is 196464929863. The reversal of 196464929857 is 758929464691.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 196464929857 - 2¹⁵ = 196464897089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196464929827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3600007 + ... + 3654172.

It is an arithmetic number, because the mean of its divisors is an integer number (14493851640).

Almost surely, 2^196464929857 is an apocalyptic number.

It is an amenable number.

196464929857 is a deficient number, since it is larger than the sum of its proper divisors (35436696383).

196464929857 is an equidigital number, since it uses as much as digits as its factorization.

196464929857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254312.

The product of its digits is 235146240, while the sum is 70.

The spelling of 196464929857 in words is "one hundred ninety-six billion, four hundred sixty-four million, nine hundred twenty-nine thousand, eight hundred fifty-seven".