340510646363453 has 4 divisors (see below), whose sum is σ = 340805972163708. Its totient is φ = 340215320563200.

The previous prime is 340510646363369. The next prime is 340510646363479. The reversal of 340510646363453 is 354363646015043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162343197511609 + 178167448851844 = 12741397^2 + 13347938^2 .

It is a cyclic number.

It is not a de Polignac number, because 340510646363453 - 2¹² = 340510646359357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340510646363395 and 340510646363404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340510646363353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147662898398 + ... + 147662900703.

It is an arithmetic number, because the mean of its divisors is an integer number (85201493040927).

Almost surely, 2^{340510646363453} is an apocalyptic number.

It is an amenable number.

340510646363453 is a deficient number, since it is larger than the sum of its proper divisors (295325800255).

340510646363453 is a wasteful number, since it uses less digits than its factorization.

340510646363453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295325800254.

The product of its (nonzero) digits is 27993600, while the sum is 53.

The spelling of 340510646363453 in words is "three hundred forty trillion, five hundred ten billion, six hundred forty-six million, three hundred sixty-three thousand, four hundred fifty-three".