5351663641 has 4 divisors (see below), whose sum is σ = 5524297984. Its totient is φ = 5179029300.

The previous prime is 5351663627. The next prime is 5351663663. The reversal of 5351663641 is 1463661535.

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 5351663641 - 2¹⁷ = 5351532569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5351663594 and 5351663603.

It is not an unprimeable number, because it can be changed into a prime (5351660641) 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, 86317125 + ... + 86317186.

It is an arithmetic number, because the mean of its divisors is an integer number (1381074496).

Almost surely, 2^5351663641 is an apocalyptic number.

It is an amenable number.

5351663641 is a deficient number, since it is larger than the sum of its proper divisors (172634343).

5351663641 is a wasteful number, since it uses less digits than its factorization.

5351663641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172634342.

The product of its digits is 194400, while the sum is 40.

The square root of 5351663641 is about 73155.0657234344. The cubic root of 5351663641 is about 1749.1602655275.

The spelling of 5351663641 in words is "five billion, three hundred fifty-one million, six hundred sixty-three thousand, six hundred forty-one".