2045023069 has 2 divisors, whose sum is σ = 2045023070. Its totient is φ = 2045023068.

The previous prime is 2045023027. The next prime is 2045023103. The reversal of 2045023069 is 9603205402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1964705625 + 80317444 = 44325^2 + 8962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045023069 - 2¹⁵ = 2044990301 is a prime.

It is a super-2 number, since 2×2045023069² = 8364238705484357522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2045023069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045023009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022511534 + 1022511535.

It is an arithmetic number, because the mean of its divisors is an integer number (1022511535).

Almost surely, 2^2045023069 is an apocalyptic number.

It is an amenable number.

2045023069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045023069 is an equidigital number, since it uses as much as digits as its factorization.

2045023069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2045023069 is about 45221.9312833939. The cubic root of 2045023069 is about 1269.3052328607.

The spelling of 2045023069 in words is "two billion, forty-five million, twenty-three thousand, sixty-nine".