5374502821 has 4 divisors (see below), whose sum is σ = 5519759692. Its totient is φ = 5229245952.

The previous prime is 5374502813. The next prime is 5374502827. The reversal of 5374502821 is 1282054735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4808729025 + 565773796 = 69345^2 + 23786^2 .

It is a cyclic number.

It is not a de Polignac number, because 5374502821 - 2³ = 5374502813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 145256833 = 5374502821 / (5 + 3 + 7 + 4 + 5 + 0 + 2 + 8 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5374502827) 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, 72628380 + ... + 72628453.

It is an arithmetic number, because the mean of its divisors is an integer number (1379939923).

Almost surely, 2^5374502821 is an apocalyptic number.

It is an amenable number.

5374502821 is a deficient number, since it is larger than the sum of its proper divisors (145256871).

5374502821 is a wasteful number, since it uses less digits than its factorization.

5374502821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145256870.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 5374502821 is about 73311.0006820259. Note that the first 3 decimals coincide. The cubic root of 5374502821 is about 1751.6450187313.

The spelling of 5374502821 in words is "five billion, three hundred seventy-four million, five hundred two thousand, eight hundred twenty-one".