1475346374681 has 4 divisors (see below), whose sum is σ = 1475349419700. Its totient is φ = 1475343329664.

The previous prime is 1475346374657. The next prime is 1475346374693. The reversal of 1475346374681 is 1864736435741.

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 1059888781081 + 415457593600 = 1029509^2 + 644560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1475346374681 - 2³⁰ = 1474272632857 is a prime.

It is a super-3 number, since 3×1475346374681³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1475346374681.

It is not an unprimeable number, because it can be changed into a prime (1475346374081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615716 + ... + 1824773.

It is an arithmetic number, because the mean of its divisors is an integer number (368837354925).

Almost surely, 2^{1475346374681} is an apocalyptic number.

It is an amenable number.

1475346374681 is a deficient number, since it is larger than the sum of its proper divisors (3045019).

1475346374681 is an equidigital number, since it uses as much as digits as its factorization.

1475346374681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045018.

The product of its digits is 40642560, while the sum is 59.

The spelling of 1475346374681 in words is "one trillion, four hundred seventy-five billion, three hundred forty-six million, three hundred seventy-four thousand, six hundred eighty-one".