2492665969 has 2 divisors, whose sum is σ = 2492665970. Its totient is φ = 2492665968.

The previous prime is 2492665909. The next prime is 2492665979. The reversal of 2492665969 is 9695662942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2448270400 + 44395569 = 49480^2 + 6663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2492665969 is a prime.

It is a super-2 number, since 2×2492665969² = 12426767266021417922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2492665909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246332984 + 1246332985.

It is an arithmetic number, because the mean of its divisors is an integer number (1246332985).

Almost surely, 2^2492665969 is an apocalyptic number.

It is an amenable number.

2492665969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2492665969 is an equidigital number, since it uses as much as digits as its factorization.

2492665969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 58.

The square root of 2492665969 is about 49926.6058229477. The cubic root of 2492665969 is about 1355.8803335095.

The spelling of 2492665969 in words is "two billion, four hundred ninety-two million, six hundred sixty-five thousand, nine hundred sixty-nine".