2469497939 has 2 divisors, whose sum is σ = 2469497940. Its totient is φ = 2469497938.

The previous prime is 2469497917. The next prime is 2469497959. The reversal of 2469497939 is 9397949642.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2469497939 - 2¹² = 2469493843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2469497959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234748969 + 1234748970.

It is an arithmetic number, because the mean of its divisors is an integer number (1234748970).

Almost surely, 2^2469497939 is an apocalyptic number.

2469497939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2469497939 is an equidigital number, since it uses as much as digits as its factorization.

2469497939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 62.

The square root of 2469497939 is about 49694.0432949463. The cubic root of 2469497939 is about 1351.6665178565. Note that the first 3 decimals are identical.

The spelling of 2469497939 in words is "two billion, four hundred sixty-nine million, four hundred ninety-seven thousand, nine hundred thirty-nine".