340641133409 has 2 divisors, whose sum is σ = 340641133410. Its totient is φ = 340641133408.

The previous prime is 340641133387. The next prime is 340641133487. The reversal of 340641133409 is 904331146043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305410969600 + 35230163809 = 552640^2 + 187697^2 .

It is a cyclic number.

It is not a de Polignac number, because 340641133409 - 2⁸ = 340641133153 is a prime.

It is a super-2 number, since 2×340641133409² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340641133309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170320566704 + 170320566705.

It is an arithmetic number, because the mean of its divisors is an integer number (170320566705).

Almost surely, 2^340641133409 is an apocalyptic number.

It is an amenable number.

340641133409 is a deficient number, since it is larger than the sum of its proper divisors (1).

340641133409 is an equidigital number, since it uses as much as digits as its factorization.

340641133409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 340641133409 in words is "three hundred forty billion, six hundred forty-one million, one hundred thirty-three thousand, four hundred nine".