340151243909 has 2 divisors, whose sum is σ = 340151243910. Its totient is φ = 340151243908.

The previous prime is 340151243903. The next prime is 340151244061. The reversal of 340151243909 is 909342151043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312313322500 + 27837921409 = 558850^2 + 166847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340151243909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340151243903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170075621954 + 170075621955.

It is an arithmetic number, because the mean of its divisors is an integer number (170075621955).

Almost surely, 2^340151243909 is an apocalyptic number.

It is an amenable number.

340151243909 is a deficient number, since it is larger than the sum of its proper divisors (1).

340151243909 is an equidigital number, since it uses as much as digits as its factorization.

340151243909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 340151243909 in words is "three hundred forty billion, one hundred fifty-one million, two hundred forty-three thousand, nine hundred nine".