1045647763 has 12 divisors (see below), whose sum is σ = 1090671480. Its totient is φ = 1002361440.

The previous prime is 1045647731. The next prime is 1045647797. The reversal of 1045647763 is 3677465401.

It is not a de Polignac number, because 1045647763 - 2⁵ = 1045647731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045647563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97743 + ... + 107911.

It is an arithmetic number, because the mean of its divisors is an integer number (90889290).

Almost surely, 2^1045647763 is an apocalyptic number.

1045647763 is a deficient number, since it is larger than the sum of its proper divisors (45023717).

1045647763 is a wasteful number, since it uses less digits than its factorization.

1045647763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10338 (or 10307 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 1045647763 is about 32336.4772818562. The cubic root of 1045647763 is about 1014.9900952709.

The spelling of 1045647763 in words is "one billion, forty-five million, six hundred forty-seven thousand, seven hundred sixty-three".