25534143319 has 2 divisors, whose sum is σ = 25534143320. Its totient is φ = 25534143318.

The previous prime is 25534143287. The next prime is 25534143331. The reversal of 25534143319 is 91334143552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25534143319 - 2⁵ = 25534143287 is a prime.

It is a super-2 number, since 2×25534143319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25534143379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12767071659 + 12767071660.

It is an arithmetic number, because the mean of its divisors is an integer number (12767071660).

Almost surely, 2^25534143319 is an apocalyptic number.

25534143319 is a deficient number, since it is larger than the sum of its proper divisors (1).

25534143319 is an equidigital number, since it uses as much as digits as its factorization.

25534143319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The spelling of 25534143319 in words is "twenty-five billion, five hundred thirty-four million, one hundred forty-three thousand, three hundred nineteen".