340874269873 has 2 divisors, whose sum is σ = 340874269874. Its totient is φ = 340874269872.

The previous prime is 340874269789. The next prime is 340874269877. The reversal of 340874269873 is 378962478043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330920616049 + 9953653824 = 575257^2 + 99768^2 .

It is a cyclic number.

It is not a de Polignac number, because 340874269873 - 2²¹ = 340872172721 is a prime.

It is a super-2 number, since 2×340874269873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340874269877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170437134936 + 170437134937.

It is an arithmetic number, because the mean of its divisors is an integer number (170437134937).

Almost surely, 2^340874269873 is an apocalyptic number.

It is an amenable number.

340874269873 is a deficient number, since it is larger than the sum of its proper divisors (1).

340874269873 is an equidigital number, since it uses as much as digits as its factorization.

340874269873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 340874269873 in words is "three hundred forty billion, eight hundred seventy-four million, two hundred sixty-nine thousand, eight hundred seventy-three".