3651746013 has 24 divisors (see below), whose sum is σ = 5636287800. Its totient is φ = 2270260224.

The previous prime is 3651746011. The next prime is 3651746027. The reversal of 3651746013 is 3106471563.

3651746013 is a `hidden beast` number, since 36 + 5 + 17 + 4 + 601 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 981130329 + 2670615684 = 31323^2 + 51678^2 .

It is not a de Polignac number, because 3651746013 - 2¹ = 3651746011 is a prime.

It is a super-2 number, since 2×3651746013² = 26670497886922792338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651746011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92808 + ... + 126161.

It is an arithmetic number, because the mean of its divisors is an integer number (234845325).

Almost surely, 2^3651746013 is an apocalyptic number.

It is an amenable number.

3651746013 is a deficient number, since it is larger than the sum of its proper divisors (1984541787).

3651746013 is a wasteful number, since it uses less digits than its factorization.

3651746013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219101 (or 219098 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 3651746013 is about 60429.6782467026. The cubic root of 3651746013 is about 1539.9271924032.

The spelling of 3651746013 in words is "three billion, six hundred fifty-one million, seven hundred forty-six thousand, thirteen".