1920673272619 has 2 divisors, whose sum is σ = 1920673272620. Its totient is φ = 1920673272618.

The previous prime is 1920673272559. The next prime is 1920673272647. The reversal of 1920673272619 is 9162723760291.

It is a strong prime.

It is an emirp because it is prime and its reverse (9162723760291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1920673272619 - 2¹³ = 1920673264427 is a prime.

It is a super-2 number, since 2×1920673272619² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1920673272619.

It is not a weakly prime, because it can be changed into another prime (1920673272649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960336636309 + 960336636310.

It is an arithmetic number, because the mean of its divisors is an integer number (960336636310).

Almost surely, 2^{1920673272619} is an apocalyptic number.

1920673272619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1920673272619 is an equidigital number, since it uses as much as digits as its factorization.

1920673272619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 1920673272619 in words is "one trillion, nine hundred twenty billion, six hundred seventy-three million, two hundred seventy-two thousand, six hundred nineteen".