2520770069 has 2 divisors, whose sum is σ = 2520770070. Its totient is φ = 2520770068.

The previous prime is 2520770027. The next prime is 2520770089. The reversal of 2520770069 is 9600770252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2350989169 + 169780900 = 48487^2 + 13030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520770069 is a prime.

It is a super-2 number, since 2×2520770069² = 12708563481532529522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520770089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260385034 + 1260385035.

It is an arithmetic number, because the mean of its divisors is an integer number (1260385035).

Almost surely, 2^2520770069 is an apocalyptic number.

It is an amenable number.

2520770069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520770069 is an equidigital number, since it uses as much as digits as its factorization.

2520770069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 2520770069 is about 50207.2710770064. The cubic root of 2520770069 is about 1360.9570233703.

The spelling of 2520770069 in words is "two billion, five hundred twenty million, seven hundred seventy thousand, sixty-nine".