1612493625619 has 2 divisors, whose sum is σ = 1612493625620. Its totient is φ = 1612493625618.

The previous prime is 1612493625593. The next prime is 1612493625647. The reversal of 1612493625619 is 9165263942161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1612493625619 is a prime.

It is a super-2 number, since 2×1612493625619² (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 1612493625619.

It is not a weakly prime, because it can be changed into another prime (1612493625649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806246812809 + 806246812810.

It is an arithmetic number, because the mean of its divisors is an integer number (806246812810).

Almost surely, 2^{1612493625619} is an apocalyptic number.

1612493625619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612493625619 is an equidigital number, since it uses as much as digits as its factorization.

1612493625619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The spelling of 1612493625619 in words is "one trillion, six hundred twelve billion, four hundred ninety-three million, six hundred twenty-five thousand, six hundred nineteen".