5198819401 has 2 divisors, whose sum is σ = 5198819402. Its totient is φ = 5198819400.

The previous prime is 5198819341. The next prime is 5198819407. The reversal of 5198819401 is 1049188915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5066592400 + 132227001 = 71180^2 + 11499^2 .

It is a cyclic number.

It is not a de Polignac number, because 5198819401 - 2¹⁵ = 5198786633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5198819407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599409700 + 2599409701.

It is an arithmetic number, because the mean of its divisors is an integer number (2599409701).

Almost surely, 2^5198819401 is an apocalyptic number.

It is an amenable number.

5198819401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198819401 is an equidigital number, since it uses as much as digits as its factorization.

5198819401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 46.

The square root of 5198819401 is about 72102.8390633822. The cubic root of 5198819401 is about 1732.3470878065.

The spelling of 5198819401 in words is "five billion, one hundred ninety-eight million, eight hundred nineteen thousand, four hundred one".