1082813709 has 4 divisors (see below), whose sum is σ = 1443751616. Its totient is φ = 721875804.

The previous prime is 1082813707. The next prime is 1082813713. The reversal of 1082813709 is 9073182801.

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 1082813709 - 2¹ = 1082813707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082813701) 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, 180468949 + ... + 180468954.

It is an arithmetic number, because the mean of its divisors is an integer number (360937904).

Almost surely, 2^1082813709 is an apocalyptic number.

It is an amenable number.

1082813709 is a deficient number, since it is larger than the sum of its proper divisors (360937907).

1082813709 is an equidigital number, since it uses as much as digits as its factorization.

1082813709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360937906.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1082813709 is about 32906.1348231603. The cubic root of 1082813709 is about 1026.8757906749.

The spelling of 1082813709 in words is "one billion, eighty-two million, eight hundred thirteen thousand, seven hundred nine".