5335566641 has 4 divisors (see below), whose sum is σ = 5415202032. Its totient is φ = 5255931252.

The previous prime is 5335566623. The next prime is 5335566659. The reversal of 5335566641 is 1466655335.

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 an interprime number because it is at equal distance from previous prime (5335566623) and next prime (5335566659).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5335566641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5335566592 and 5335566601.

It is not an unprimeable number, because it can be changed into a prime (5335566941) 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, 39817595 + ... + 39817728.

It is an arithmetic number, because the mean of its divisors is an integer number (1353800508).

Almost surely, 2^5335566641 is an apocalyptic number.

It is an amenable number.

5335566641 is a deficient number, since it is larger than the sum of its proper divisors (79635391).

5335566641 is an equidigital number, since it uses as much as digits as its factorization.

5335566641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79635390.

The product of its digits is 972000, while the sum is 44.

The square root of 5335566641 is about 73044.9631459966. The cubic root of 5335566641 is about 1747.4047671841.

The spelling of 5335566641 in words is "five billion, three hundred thirty-five million, five hundred sixty-six thousand, six hundred forty-one".