196024750391 has 4 divisors (see below), whose sum is σ = 197856757512. Its totient is φ = 194192743272.

The previous prime is 196024750357. The next prime is 196024750409. The reversal of 196024750391 is 193057420691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196024750391 - 2¹⁴ = 196024734007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196024750301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916003400 + ... + 916003613.

It is an arithmetic number, because the mean of its divisors is an integer number (49464189378).

Almost surely, 2^196024750391 is an apocalyptic number.

196024750391 is a deficient number, since it is larger than the sum of its proper divisors (1832007121).

196024750391 is a wasteful number, since it uses less digits than its factorization.

196024750391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832007120.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 196024750391 in words is "one hundred ninety-six billion, twenty-four million, seven hundred fifty thousand, three hundred ninety-one".