5119278401 has 2 divisors, whose sum is σ = 5119278402. Its totient is φ = 5119278400.

The previous prime is 5119278397. The next prime is 5119278419. The reversal of 5119278401 is 1048729115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4758240400 + 361038001 = 68980^2 + 19001^2 .

It is a cyclic number.

It is not a de Polignac number, because 5119278401 - 2² = 5119278397 is a prime.

It is a super-2 number, since 2×5119278401² = 52414022693890233602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5119278001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559639200 + 2559639201.

It is an arithmetic number, because the mean of its divisors is an integer number (2559639201).

Almost surely, 2^5119278401 is an apocalyptic number.

It is an amenable number.

5119278401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5119278401 is an equidigital number, since it uses as much as digits as its factorization.

5119278401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5119278401 is about 71549.1327760162. The cubic root of 5119278401 is about 1723.4667774964.

The spelling of 5119278401 in words is "five billion, one hundred nineteen million, two hundred seventy-eight thousand, four hundred one".