10147844919 has 16 divisors (see below), whose sum is σ = 14291222400. Its totient is φ = 6387280416.

The previous prime is 10147844897. The next prime is 10147844951. The reversal of 10147844919 is 91944874101.

It is a happy number.

It is not a de Polignac number, because 10147844919 - 2¹² = 10147840823 is a prime.

It is a super-2 number, since 2×10147844919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10147844999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287109 + ... + 320510.

It is an arithmetic number, because the mean of its divisors is an integer number (893201400).

Almost surely, 2^10147844919 is an apocalyptic number.

10147844919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10147844919 is a deficient number, since it is larger than the sum of its proper divisors (4143377481).

10147844919 is a wasteful number, since it uses less digits than its factorization.

10147844919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607934.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 10147844919 in words is "ten billion, one hundred forty-seven million, eight hundred forty-four thousand, nine hundred nineteen".