340762874813 has 4 divisors (see below), whose sum is σ = 360807749820. Its totient is φ = 320717999808.

The previous prime is 340762874807. The next prime is 340762874821. The reversal of 340762874813 is 318478267043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318478267043 = 164911 ⋅1931213.

It can be written as a sum of positive squares in 2 ways, for example, as 199749106489 + 141013768324 = 446933^2 + 375518^2 .

It is a cyclic number.

It is not a de Polignac number, because 340762874813 - 2⁴ = 340762874797 is a prime.

It is a super-2 number, since 2×340762874813² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340762874833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10022437478 + ... + 10022437511.

It is an arithmetic number, because the mean of its divisors is an integer number (90201937455).

Almost surely, 2^340762874813 is an apocalyptic number.

It is an amenable number.

340762874813 is a deficient number, since it is larger than the sum of its proper divisors (20044875007).

340762874813 is a wasteful number, since it uses less digits than its factorization.

340762874813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044875006.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 340762874813 in words is "three hundred forty billion, seven hundred sixty-two million, eight hundred seventy-four thousand, eight hundred thirteen".