19493550130 has 8 divisors (see below), whose sum is σ = 35088390252. Its totient is φ = 7797420048.

The previous prime is 19493550091. The next prime is 19493550151. The reversal of 19493550130 is 3105539491.

It can be written as a sum of positive squares in 2 ways, for example, as 17266748409 + 2226801721 = 131403^2 + 47189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974677497 + ... + 974677516.

Almost surely, 2^19493550130 is an apocalyptic number.

19493550130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19493550130 is a deficient number, since it is larger than the sum of its proper divisors (15594840122).

19493550130 is a wasteful number, since it uses less digits than its factorization.

19493550130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949355020.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 19493550130 in words is "nineteen billion, four hundred ninety-three million, five hundred fifty thousand, one hundred thirty".