5391651361 has 4 divisors (see below), whose sum is σ = 5391971632. Its totient is φ = 5391331092.

The previous prime is 5391651323. The next prime is 5391651367. The reversal of 5391651361 is 1631561935.

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: 1631561935 = 5 ⋅326312387.

It is a cyclic number.

It is not a de Polignac number, because 5391651361 - 2¹⁵ = 5391618593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5391651367) 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, 133395 + ... + 169048.

It is an arithmetic number, because the mean of its divisors is an integer number (1347992908).

Almost surely, 2^5391651361 is an apocalyptic number.

It is an amenable number.

5391651361 is a deficient number, since it is larger than the sum of its proper divisors (320271).

5391651361 is a wasteful number, since it uses less digits than its factorization.

5391651361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320270.

The product of its digits is 72900, while the sum is 40.

The square root of 5391651361 is about 73427.8650173080. The cubic root of 5391651361 is about 1753.5060444167.

The spelling of 5391651361 in words is "five billion, three hundred ninety-one million, six hundred fifty-one thousand, three hundred sixty-one".