5601653681 has 8 divisors (see below), whose sum is σ = 6100332840. Its totient is φ = 5112657792.

The previous prime is 5601653677. The next prime is 5601653683. The reversal of 5601653681 is 1863561065.

It can be written as a sum of positive squares in 4 ways, for example, as 534349456 + 5067304225 = 23116^2 + 71185^2 .

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 5601653681 - 2² = 5601653677 is a prime.

It is a super-2 number, since 2×5601653681² = 62757047923721699522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5601653683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2419610 + ... + 2421923.

It is an arithmetic number, because the mean of its divisors is an integer number (762541605).

Almost surely, 2^5601653681 is an apocalyptic number.

It is an amenable number.

5601653681 is a deficient number, since it is larger than the sum of its proper divisors (498679159).

5601653681 is a wasteful number, since it uses less digits than its factorization.

5601653681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841635.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 5601653681 is about 74844.1960408421. The cubic root of 5601653681 is about 1775.9827850888.

The spelling of 5601653681 in words is "five billion, six hundred one million, six hundred fifty-three thousand, six hundred eighty-one".