1613001581269 has 8 divisors (see below), whose sum is σ = 1839259721880. Its totient is φ = 1401340740096.

The previous prime is 1613001581239. The next prime is 1613001581299. The reversal of 1613001581269 is 9621851003161.

It is an interprime number because it is at equal distance from previous prime (1613001581239) and next prime (1613001581299).

It can be written as a sum of positive squares in 4 ways, for example, as 29493940644 + 1583507640625 = 171738^2 + 1258375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1613001581269 - 2²³ = 1612993192661 is a prime.

It is a super-2 number, since 2×1613001581269² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613001581239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3649324624 + ... + 3649325065.

It is an arithmetic number, because the mean of its divisors is an integer number (229907465235).

Almost surely, 2^{1613001581269} is an apocalyptic number.

It is an amenable number.

1613001581269 is a deficient number, since it is larger than the sum of its proper divisors (226258140611).

1613001581269 is a wasteful number, since it uses less digits than its factorization.

1613001581269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298649719.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 1613001581269 in words is "one trillion, six hundred thirteen billion, one million, five hundred eighty-one thousand, two hundred sixty-nine".