1882815049 has 2 divisors, whose sum is σ = 1882815050. Its totient is φ = 1882815048.

The previous prime is 1882815043. The next prime is 1882815073. The reversal of 1882815049 is 9405182881.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1858213449 + 24601600 = 43107^2 + 4960^2 .

It is an emirp because it is prime and its reverse (9405182881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1882815049 - 2¹³ = 1882806857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1882815043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941407524 + 941407525.

It is an arithmetic number, because the mean of its divisors is an integer number (941407525).

Almost surely, 2^1882815049 is an apocalyptic number.

It is an amenable number.

1882815049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1882815049 is an equidigital number, since it uses as much as digits as its factorization.

1882815049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 46.

The square root of 1882815049 is about 43391.4167664528. The cubic root of 1882815049 is about 1234.8168684950.

The spelling of 1882815049 in words is "one billion, eight hundred eighty-two million, eight hundred fifteen thousand, forty-nine".