5635702081 has 4 divisors (see below), whose sum is σ = 5932318000. Its totient is φ = 5339086164.

The previous prime is 5635702069. The next prime is 5635702087. The reversal of 5635702081 is 1802075365.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1802075365 = 5 ⋅360415073.

It is a cyclic number.

It is not a de Polignac number, because 5635702081 - 2¹¹ = 5635700033 is a prime.

It is a super-2 number, since 2×5635702081² = 63522275891575461122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5635702081.

It is not an unprimeable number, because it can be changed into a prime (5635702087) 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, 148307931 + ... + 148307968.

It is an arithmetic number, because the mean of its divisors is an integer number (1483079500).

Almost surely, 2^5635702081 is an apocalyptic number.

It is an amenable number.

5635702081 is a deficient number, since it is larger than the sum of its proper divisors (296615919).

5635702081 is a wasteful number, since it uses less digits than its factorization.

5635702081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296615918.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5635702081 is about 75071.3133027523. The cubic root of 5635702081 is about 1779.5738239274.

The spelling of 5635702081 in words is "five billion, six hundred thirty-five million, seven hundred two thousand, eighty-one".