5214500671621 has 8 divisors (see below), whose sum is σ = 5276475473400. Its totient is φ = 5152728734400.

The previous prime is 5214500671613. The next prime is 5214500671663. The reversal of 5214500671621 is 1261760054125.

It can be written as a sum of positive squares in 4 ways, for example, as 1042061222596 + 4172439449025 = 1020814^2 + 2042655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5214500671621 - 2³ = 5214500671613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5214500671321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50664426 + ... + 50767243.

It is an arithmetic number, because the mean of its divisors is an integer number (659559434175).

Almost surely, 2^{5214500671621} is an apocalyptic number.

It is an amenable number.

5214500671621 is a deficient number, since it is larger than the sum of its proper divisors (61974801779).

5214500671621 is a wasteful number, since it uses less digits than its factorization.

5214500671621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101432279.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 5214500671621 in words is "five trillion, two hundred fourteen billion, five hundred million, six hundred seventy-one thousand, six hundred twenty-one".