3457940009 has 2 divisors, whose sum is σ = 3457940010. Its totient is φ = 3457940008.

The previous prime is 3457939957. The next prime is 3457940023. The reversal of 3457940009 is 9000497543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3209562409 + 248377600 = 56653^2 + 15760^2 .

It is a cyclic number.

It is not a de Polignac number, because 3457940009 - 2⁸ = 3457939753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3457940509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728970004 + 1728970005.

It is an arithmetic number, because the mean of its divisors is an integer number (1728970005).

Almost surely, 2^3457940009 is an apocalyptic number.

It is an amenable number.

3457940009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457940009 is an equidigital number, since it uses as much as digits as its factorization.

3457940009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 3457940009 is about 58804.2516235008. The cubic root of 3457940009 is about 1512.1881072073.

The spelling of 3457940009 in words is "three billion, four hundred fifty-seven million, nine hundred forty thousand, nine".