8021070045 has 24 divisors (see below), whose sum is σ = 14351680512. Its totient is φ = 4139906400.

The previous prime is 8021070041. The next prime is 8021070053. The reversal of 8021070045 is 5400701208.

It is not a de Polignac number, because 8021070045 - 2² = 8021070041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021070041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2873541 + ... + 2876330.

It is an arithmetic number, because the mean of its divisors is an integer number (597986688).

Almost surely, 2^8021070045 is an apocalyptic number.

It is an amenable number.

8021070045 is a deficient number, since it is larger than the sum of its proper divisors (6330610467).

8021070045 is a wasteful number, since it uses less digits than its factorization.

8021070045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749913 (or 5749910 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 8021070045 is about 89560.4267799121. The cubic root of 8021070045 is about 2001.7542978529.

The spelling of 8021070045 in words is "eight billion, twenty-one million, seventy thousand, forty-five".