1081362673 has 4 divisors (see below), whose sum is σ = 1144972260. Its totient is φ = 1017753088.

The previous prime is 1081362671. The next prime is 1081362683. The reversal of 1081362673 is 3762631801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 679279969 + 402082704 = 26063^2 + 20052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081362673 - 2¹ = 1081362671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081362671) 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, 31804768 + ... + 31804801.

It is an arithmetic number, because the mean of its divisors is an integer number (286243065).

Almost surely, 2^1081362673 is an apocalyptic number.

It is an amenable number.

1081362673 is a deficient number, since it is larger than the sum of its proper divisors (63609587).

1081362673 is an equidigital number, since it uses as much as digits as its factorization.

1081362673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63609586.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1081362673 is about 32884.0793241958. The cubic root of 1081362673 is about 1026.4168936976.

The spelling of 1081362673 in words is "one billion, eighty-one million, three hundred sixty-two thousand, six hundred seventy-three".