347713242545 has 4 divisors (see below), whose sum is σ = 417255891060. Its totient is φ = 278170594032.

The previous prime is 347713242521. The next prime is 347713242581. The reversal of 347713242545 is 545242317743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545242317743 = 43 ⋅12680053901.

It can be written as a sum of positive squares in 2 ways, for example, as 266164159921 + 81549082624 = 515911^2 + 285568^2 .

It is a cyclic number.

It is not a de Polignac number, because 347713242545 - 2³⁴ = 330533373361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 347713242545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34771324250 + ... + 34771324259.

It is an arithmetic number, because the mean of its divisors is an integer number (104313972765).

Almost surely, 2^347713242545 is an apocalyptic number.

It is an amenable number.

347713242545 is a deficient number, since it is larger than the sum of its proper divisors (69542648515).

347713242545 is an equidigital number, since it uses as much as digits as its factorization.

347713242545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69542648514.

The product of its digits is 2822400, while the sum is 47.

The spelling of 347713242545 in words is "three hundred forty-seven billion, seven hundred thirteen million, two hundred forty-two thousand, five hundred forty-five".