610807631345 has 4 divisors (see below), whose sum is σ = 732969157620. Its totient is φ = 488646105072.

The previous prime is 610807631321. The next prime is 610807631377. The reversal of 610807631345 is 543136708016.

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 279013199089 + 331794432256 = 528217^2 + 576016^2 .

It is a cyclic number.

It is not a de Polignac number, because 610807631345 - 2⁶ = 610807631281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 610807631296 and 610807631305.

It is an unprimeable number.

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, 61080763130 + ... + 61080763139.

It is an arithmetic number, because the mean of its divisors is an integer number (183242289405).

Almost surely, 2^610807631345 is an apocalyptic number.

It is an amenable number.

610807631345 is a deficient number, since it is larger than the sum of its proper divisors (122161526275).

610807631345 is a wasteful number, since it uses less digits than its factorization.

610807631345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122161526274.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 610807631345 in words is "six hundred ten billion, eight hundred seven million, six hundred thirty-one thousand, three hundred forty-five".