19149372053 has 16 divisors (see below), whose sum is σ = 23057424000. Its totient is φ = 15535971072.

The previous prime is 19149372029. The next prime is 19149372059. The reversal of 19149372053 is 35027394191.

It is a de Polignac number, because none of the positive numbers 2^k-19149372053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19149371995 and 19149372013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19149372059) 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, 86393 + ... + 213921.

It is an arithmetic number, because the mean of its divisors is an integer number (1441089000).

Almost surely, 2^19149372053 is an apocalyptic number.

It is an amenable number.

19149372053 is a deficient number, since it is larger than the sum of its proper divisors (3908051947).

19149372053 is a wasteful number, since it uses less digits than its factorization.

19149372053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128684.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 19149372053 in words is "nineteen billion, one hundred forty-nine million, three hundred seventy-two thousand, fifty-three".