5671614721 has 4 divisors (see below), whose sum is σ = 5672097712. Its totient is φ = 5671131732.

The previous prime is 5671614713. The next prime is 5671614727. The reversal of 5671614721 is 1274161765.

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: 1274161765 = 5 ⋅254832353.

It is a cyclic number.

It is not a de Polignac number, because 5671614721 - 2³ = 5671614713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5671614727) 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, 223431 + ... + 247516.

It is an arithmetic number, because the mean of its divisors is an integer number (1418024428).

Almost surely, 2^5671614721 is an apocalyptic number.

It is an amenable number.

5671614721 is a deficient number, since it is larger than the sum of its proper divisors (482991).

5671614721 is a wasteful number, since it uses less digits than its factorization.

5671614721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482990.

The product of its digits is 70560, while the sum is 40.

The square root of 5671614721 is about 75310.1236288987. The cubic root of 5671614721 is about 1783.3458427010.

The spelling of 5671614721 in words is "five billion, six hundred seventy-one million, six hundred fourteen thousand, seven hundred twenty-one".