5651712641 has 4 divisors (see below), whose sum is σ = 5834025984. Its totient is φ = 5469399300.

The previous prime is 5651712637. The next prime is 5651712643. The reversal of 5651712641 is 1462171565.

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 5651712641 - 2² = 5651712637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5651712595 and 5651712604.

It is not an unprimeable number, because it can be changed into a prime (5651712643) 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, 91156625 + ... + 91156686.

It is an arithmetic number, because the mean of its divisors is an integer number (1458506496).

Almost surely, 2^5651712641 is an apocalyptic number.

It is an amenable number.

5651712641 is a deficient number, since it is larger than the sum of its proper divisors (182313343).

5651712641 is a wasteful number, since it uses less digits than its factorization.

5651712641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182313342.

The product of its digits is 50400, while the sum is 38.

The square root of 5651712641 is about 75177.8733471492. The cubic root of 5651712641 is about 1781.2574375789.

The spelling of 5651712641 in words is "five billion, six hundred fifty-one million, seven hundred twelve thousand, six hundred forty-one".