151963839197 has 4 divisors (see below), whose sum is σ = 154831081500. Its totient is φ = 149096596896.

The previous prime is 151963839151. The next prime is 151963839253. The reversal of 151963839197 is 791938369151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 139199132836 + 12764706361 = 373094^2 + 112981^2 .

It is a cyclic number.

It is not a de Polignac number, because 151963839197 - 2⁶ = 151963839133 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 (151963839127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433621072 + ... + 1433621177.

It is an arithmetic number, because the mean of its divisors is an integer number (38707770375).

Almost surely, 2^151963839197 is an apocalyptic number.

It is an amenable number.

151963839197 is a deficient number, since it is larger than the sum of its proper divisors (2867242303).

151963839197 is an equidigital number, since it uses as much as digits as its factorization.

151963839197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867242302.

The product of its digits is 11022480, while the sum is 62.

The spelling of 151963839197 in words is "one hundred fifty-one billion, nine hundred sixty-three million, eight hundred thirty-nine thousand, one hundred ninety-seven".