2469658909 has 2 divisors, whose sum is σ = 2469658910. Its totient is φ = 2469658908.

The previous prime is 2469658853. The next prime is 2469658921. The reversal of 2469658909 is 9098569642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2370716100 + 98942809 = 48690^2 + 9947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2469658909 - 2⁷ = 2469658781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2469658999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234829454 + 1234829455.

It is an arithmetic number, because the mean of its divisors is an integer number (1234829455).

Almost surely, 2^2469658909 is an apocalyptic number.

It is an amenable number.

2469658909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2469658909 is an equidigital number, since it uses as much as digits as its factorization.

2469658909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The square root of 2469658909 is about 49695.6628791688. The cubic root of 2469658909 is about 1351.6958859086.

The spelling of 2469658909 in words is "two billion, four hundred sixty-nine million, six hundred fifty-eight thousand, nine hundred nine".