19341986613 has 16 divisors (see below), whose sum is σ = 25995121152. Its totient is φ = 12792150000.

The previous prime is 19341986591. The next prime is 19341986663. The reversal of 19341986613 is 31668914391.

It is not a de Polignac number, because 19341986613 - 2⁸ = 19341986357 is a prime.

It is a super-2 number, since 2×19341986613² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19341986663) 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, 147738 + ... + 245988.

It is an arithmetic number, because the mean of its divisors is an integer number (1624695072).

Almost surely, 2^19341986613 is an apocalyptic number.

It is an amenable number.

19341986613 is a deficient number, since it is larger than the sum of its proper divisors (6653134539).

19341986613 is a wasteful number, since it uses less digits than its factorization.

19341986613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98776.

The product of its digits is 839808, while the sum is 51.

The spelling of 19341986613 in words is "nineteen billion, three hundred forty-one million, nine hundred eighty-six thousand, six hundred thirteen".