340242370569 has 6 divisors (see below), whose sum is σ = 491461201946. Its totient is φ = 226828247040.

The previous prime is 340242370537. The next prime is 340242370603. The reversal of 340242370569 is 965073242043.

340242370569 is a `hidden beast` number, since 3 + 40 + 2 + 42 + 3 + 7 + 0 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 261696702969 + 78545667600 = 511563^2 + 280260^2 .

It is not a de Polignac number, because 340242370569 - 2⁵ = 340242370537 is a prime.

It is a super-2 number, since 2×340242370569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340242370529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18902353912 + ... + 18902353929.

Almost surely, 2^340242370569 is an apocalyptic number.

It is an amenable number.

340242370569 is a deficient number, since it is larger than the sum of its proper divisors (151218831377).

340242370569 is a wasteful number, since it uses less digits than its factorization.

340242370569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37804707847 (or 37804707844 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 340242370569 in words is "three hundred forty billion, two hundred forty-two million, three hundred seventy thousand, five hundred sixty-nine".