151530469819 has 4 divisors (see below), whose sum is σ = 151571065696. Its totient is φ = 151489873944.

The previous prime is 151530469771. The next prime is 151530469823. The reversal of 151530469819 is 918964035151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918964035151 = 269 ⋅3416223179.

It is a cyclic number.

It is not a de Polignac number, because 151530469819 - 2¹¹ = 151530467771 is a prime.

It is a super-2 number, since 2×151530469819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151530469319) 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, 20292339 + ... + 20299804.

It is an arithmetic number, because the mean of its divisors is an integer number (37892766424).

Almost surely, 2^151530469819 is an apocalyptic number.

151530469819 is a deficient number, since it is larger than the sum of its proper divisors (40595877).

151530469819 is an equidigital number, since it uses as much as digits as its factorization.

151530469819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40595876.

The product of its (nonzero) digits is 1166400, while the sum is 52.

The spelling of 151530469819 in words is "one hundred fifty-one billion, five hundred thirty million, four hundred sixty-nine thousand, eight hundred nineteen".