2490997969 has 2 divisors, whose sum is σ = 2490997970. Its totient is φ = 2490997968.

The previous prime is 2490997961. The next prime is 2490997973. The reversal of 2490997969 is 9697990942.

2490997969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2275290000 + 215707969 = 47700^2 + 14687^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490997969 - 2³ = 2490997961 is a prime.

It is a super-2 number, since 2×2490997969² = 12410141763124249922, 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 2490997969.

It is not a weakly prime, because it can be changed into another prime (2490997961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245498984 + 1245498985.

It is an arithmetic number, because the mean of its divisors is an integer number (1245498985).

Almost surely, 2^2490997969 is an apocalyptic number.

It is an amenable number.

2490997969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490997969 is an equidigital number, since it uses as much as digits as its factorization.

2490997969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19840464, while the sum is 64.

The square root of 2490997969 is about 49909.8985072100. The cubic root of 2490997969 is about 1355.5778310117.

The spelling of 2490997969 in words is "two billion, four hundred ninety million, nine hundred ninety-seven thousand, nine hundred sixty-nine".