147428619019 has 24 divisors (see below), whose sum is σ = 180612648720. Its totient is φ = 119503042560.

The previous prime is 147428619001. The next prime is 147428619049. The reversal of 147428619019 is 910916824741.

It is a de Polignac number, because none of the positive numbers 2^k-147428619019 is a prime.

It is a super-2 number, since 2×147428619019² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (147428619049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1847014 + ... + 1925179.

It is an arithmetic number, because the mean of its divisors is an integer number (7525527030).

Almost surely, 2^147428619019 is an apocalyptic number.

147428619019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

147428619019 is a deficient number, since it is larger than the sum of its proper divisors (33184029701).

147428619019 is a wasteful number, since it uses less digits than its factorization.

147428619019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772251 (or 3772240 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 147428619019 in words is "one hundred forty-seven billion, four hundred twenty-eight million, six hundred nineteen thousand, nineteen".