1613694074881 has 16 divisors (see below), whose sum is σ = 1941691392000. Its totient is φ = 1310094552528.

The previous prime is 1613694074857. The next prime is 1613694074891. The reversal of 1613694074881 is 1884704963161.

It is a cyclic number.

It is not a de Polignac number, because 1613694074881 - 2⁷ = 1613694074753 is a prime.

It is a super-2 number, since 2×1613694074881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613694074891) 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 15 ways as a sum of consecutive naturals, for example, 625855 + ... + 1902388.

It is an arithmetic number, because the mean of its divisors is an integer number (121355712000).

Almost surely, 2^{1613694074881} is an apocalyptic number.

It is an amenable number.

1613694074881 is a deficient number, since it is larger than the sum of its proper divisors (327997317119).

1613694074881 is a wasteful number, since it uses less digits than its factorization.

1613694074881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533068.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 1613694074881 in words is "one trillion, six hundred thirteen billion, six hundred ninety-four million, seventy-four thousand, eight hundred eighty-one".