1045991675 has 6 divisors (see below), whose sum is σ = 1297029708. Its totient is φ = 836793320.

The previous prime is 1045991671. The next prime is 1045991689. The reversal of 1045991675 is 5761995401.

It is not a de Polignac number, because 1045991675 - 2² = 1045991671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045991671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20919809 + ... + 20919858.

It is an arithmetic number, because the mean of its divisors is an integer number (216171618).

Almost surely, 2^1045991675 is an apocalyptic number.

1045991675 is a deficient number, since it is larger than the sum of its proper divisors (251038033).

1045991675 is an equidigital number, since it uses as much as digits as its factorization.

1045991675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41839677 (or 41839672 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 1045991675 is about 32341.7945544152. The cubic root of 1045991675 is about 1015.1013593197.

The spelling of 1045991675 in words is "one billion, forty-five million, nine hundred ninety-one thousand, six hundred seventy-five".