1612490839 has 2 divisors, whose sum is σ = 1612490840. Its totient is φ = 1612490838.

The previous prime is 1612490819. The next prime is 1612490909. The reversal of 1612490839 is 9380942161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1612490839 - 2¹³ = 1612482647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1612490795 and 1612490804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1612490819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806245419 + 806245420.

It is an arithmetic number, because the mean of its divisors is an integer number (806245420).

Almost surely, 2^1612490839 is an apocalyptic number.

1612490839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612490839 is an equidigital number, since it uses as much as digits as its factorization.

1612490839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1612490839 is about 40155.8319425709. The cubic root of 1612490839 is about 1172.6428287414.

The spelling of 1612490839 in words is "one billion, six hundred twelve million, four hundred ninety thousand, eight hundred thirty-nine".