1082019649 has 4 divisors (see below), whose sum is σ = 1098169264. Its totient is φ = 1065870036.

The previous prime is 1082019611. The next prime is 1082019671. The reversal of 1082019649 is 9469102801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1082019649 - 2⁹ = 1082019137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082019149) 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, 8074707 + ... + 8074840.

It is an arithmetic number, because the mean of its divisors is an integer number (274542316).

Almost surely, 2^1082019649 is an apocalyptic number.

It is an amenable number.

1082019649 is a deficient number, since it is larger than the sum of its proper divisors (16149615).

1082019649 is an equidigital number, since it uses as much as digits as its factorization.

1082019649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16149614.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1082019649 is about 32894.0670790342. The cubic root of 1082019649 is about 1026.6247162798.

The spelling of 1082019649 in words is "one billion, eighty-two million, nineteen thousand, six hundred forty-nine".