3681105067451 has 16 divisors (see below), whose sum is σ = 4454659178496. Its totient is φ = 2969489172096.

The previous prime is 3681105067447. The next prime is 3681105067459. The reversal of 3681105067451 is 1547605011863.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3681105067451 - 2² = 3681105067447 is a prime.

It is a super-2 number, since 2×3681105067451² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3681105067396 and 3681105067405.

It is not an unprimeable number, because it can be changed into a prime (3681105067459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1800440 + ... + 3256346.

It is an arithmetic number, because the mean of its divisors is an integer number (278416198656).

Almost surely, 2^{3681105067451} is an apocalyptic number.

3681105067451 is a deficient number, since it is larger than the sum of its proper divisors (773554111045).

3681105067451 is a wasteful number, since it uses less digits than its factorization.

3681105067451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477178.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 3681105067451 in words is "three trillion, six hundred eighty-one billion, one hundred five million, sixty-seven thousand, four hundred fifty-one".