151678687249 has 4 divisors (see below), whose sum is σ = 156571548160. Its totient is φ = 146785826340.

The previous prime is 151678687247. The next prime is 151678687253. The reversal of 151678687249 is 942786876151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151678687249 - 2¹ = 151678687247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151678687247) 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, 2446430409 + ... + 2446430470.

It is an arithmetic number, because the mean of its divisors is an integer number (39142887040).

Almost surely, 2^151678687249 is an apocalyptic number.

It is an amenable number.

151678687249 is a deficient number, since it is larger than the sum of its proper divisors (4892860911).

151678687249 is an equidigital number, since it uses as much as digits as its factorization.

151678687249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892860910.

The product of its digits is 40642560, while the sum is 64.

The spelling of 151678687249 in words is "one hundred fifty-one billion, six hundred seventy-eight million, six hundred eighty-seven thousand, two hundred forty-nine".