151994891193 has 8 divisors (see below), whose sum is σ = 202695425856. Its totient is φ = 101312142000.

The previous prime is 151994891189. The next prime is 151994891203. The reversal of 151994891193 is 391198499151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151994891193 - 2² = 151994891189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151994891693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426413 + ... + 4460618.

It is an arithmetic number, because the mean of its divisors is an integer number (25336928232).

Almost surely, 2^151994891193 is an apocalyptic number.

It is an amenable number.

151994891193 is a deficient number, since it is larger than the sum of its proper divisors (50700534663).

151994891193 is an equidigital number, since it uses as much as digits as its factorization.

151994891193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892735.

The product of its digits is 3149280, while the sum is 60.

The spelling of 151994891193 in words is "one hundred fifty-one billion, nine hundred ninety-four million, eight hundred ninety-one thousand, one hundred ninety-three".