3581246774481 has 4 divisors (see below), whose sum is σ = 4774995699312. Its totient is φ = 2387497849652.

The previous prime is 3581246774419. The next prime is 3581246774513. The reversal of 3581246774481 is 1844776421853.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3581246774481 - 2²³ = 3581238385873 is a prime.

It is a super-2 number, since 2×3581246774481² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3581246774081) 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, 596874462411 + ... + 596874462416.

It is an arithmetic number, because the mean of its divisors is an integer number (1193748924828).

Almost surely, 2^{3581246774481} is an apocalyptic number.

It is an amenable number.

3581246774481 is a deficient number, since it is larger than the sum of its proper divisors (1193748924831).

3581246774481 is a wasteful number, since it uses less digits than its factorization.

3581246774481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193748924830.

The product of its digits is 36126720, while the sum is 60.

The spelling of 3581246774481 in words is "three trillion, five hundred eighty-one billion, two hundred forty-six million, seven hundred seventy-four thousand, four hundred eighty-one".