3647617345061 has 4 divisors (see below), whose sum is σ = 3649530098592. Its totient is φ = 3645704591532.

The previous prime is 3647617345013. The next prime is 3647617345091. The reversal of 3647617345061 is 1605437167463.

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 3647617345061 - 2¹⁸ = 3647617082917 is a prime.

It is a super-2 number, since 2×3647617345061² (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 = 3647617344994 and 3647617345012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3647617345091) 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, 956373905 + ... + 956377718.

It is an arithmetic number, because the mean of its divisors is an integer number (912382524648).

Almost surely, 2^{3647617345061} is an apocalyptic number.

It is an amenable number.

3647617345061 is a deficient number, since it is larger than the sum of its proper divisors (1912753531).

3647617345061 is a wasteful number, since it uses less digits than its factorization.

3647617345061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912753530.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 3647617345061 in words is "three trillion, six hundred forty-seven billion, six hundred seventeen million, three hundred forty-five thousand, sixty-one".