19342761983 has 4 divisors (see below), whose sum is σ = 19343392728. Its totient is φ = 19342131240.

The previous prime is 19342761967. The next prime is 19342762013. The reversal of 19342761983 is 38916724391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38916724391 = 829 ⋅46944179.

It is a cyclic number.

It is not a de Polignac number, because 19342761983 - 2⁴ = 19342761967 is a prime.

It is a super-2 number, since 2×19342761983² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19342761583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266888 + ... + 331533.

It is an arithmetic number, because the mean of its divisors is an integer number (4835848182).

Almost surely, 2^19342761983 is an apocalyptic number.

19342761983 is a deficient number, since it is larger than the sum of its proper divisors (630745).

19342761983 is an equidigital number, since it uses as much as digits as its factorization.

19342761983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630744.

The product of its digits is 1959552, while the sum is 53.

The spelling of 19342761983 in words is "nineteen billion, three hundred forty-two million, seven hundred sixty-one thousand, nine hundred eighty-three".