1045994763 has 16 divisors (see below), whose sum is σ = 1523051136. Its totient is φ = 633267840.

The previous prime is 1045994753. The next prime is 1045994797. The reversal of 1045994763 is 3674995401.

It is not a de Polignac number, because 1045994763 - 2²⁶ = 978885899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045994723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16020 + ... + 48462.

It is an arithmetic number, because the mean of its divisors is an integer number (95190696).

Almost surely, 2^1045994763 is an apocalyptic number.

1045994763 is a deficient number, since it is larger than the sum of its proper divisors (477056373).

1045994763 is a wasteful number, since it uses less digits than its factorization.

1045994763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33434.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1045994763 is about 32341.8422944643. The cubic root of 1045994763 is about 1015.1023582537.

The spelling of 1045994763 in words is "one billion, forty-five million, nine hundred ninety-four thousand, seven hundred sixty-three".