5421474197 has 2 divisors, whose sum is σ = 5421474198. Its totient is φ = 5421474196.

The previous prime is 5421474167. The next prime is 5421474241. The reversal of 5421474197 is 7914741245.

It is an a-pointer prime, because the next prime (5421474241) can be obtained adding 5421474197 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4732201681 + 689272516 = 68791^2 + 26254^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421474197 - 2⁶ = 5421474133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421474127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710737098 + 2710737099.

It is an arithmetic number, because the mean of its divisors is an integer number (2710737099).

Almost surely, 2^5421474197 is an apocalyptic number.

It is an amenable number.

5421474197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421474197 is an equidigital number, since it uses as much as digits as its factorization.

5421474197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 5421474197 is about 73630.6607127764. The cubic root of 5421474197 is about 1756.7331571021.

The spelling of 5421474197 in words is "five billion, four hundred twenty-one million, four hundred seventy-four thousand, one hundred ninety-seven".