19291224130 has 32 divisors (see below), whose sum is σ = 36787000176. Its totient is φ = 7258589184.

The previous prime is 19291224109. The next prime is 19291224131. The reversal of 19291224130 is 3142219291.

It can be written as a sum of positive squares in 8 ways, for example, as 14247525769 + 5043698361 = 119363^2 + 71019^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (19291224131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288862 + ... + 349318.

Almost surely, 2^19291224130 is an apocalyptic number.

19291224130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19291224130 is a deficient number, since it is larger than the sum of its proper divisors (17495776046).

19291224130 is a wasteful number, since it uses less digits than its factorization.

19291224130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62358.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 19291224130 in words is "nineteen billion, two hundred ninety-one million, two hundred twenty-four thousand, one hundred thirty".