25146878783683 has 2 divisors, whose sum is σ = 25146878783684. Its totient is φ = 25146878783682.

The previous prime is 25146878783681. The next prime is 25146878783743. The reversal of 25146878783683 is 38638787864152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25146878783683 - 2¹ = 25146878783681 is a prime.

It is a super-2 number, since 2×25146878783683² (a number of 28 digits) contains 22 as substring.

Together with 25146878783681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25146878783681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12573439391841 + 12573439391842.

It is an arithmetic number, because the mean of its divisors is an integer number (12573439391842).

Almost surely, 2^{25146878783683} is an apocalyptic number.

25146878783683 is a deficient number, since it is larger than the sum of its proper divisors (1).

25146878783683 is an equidigital number, since it uses as much as digits as its factorization.

25146878783683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2601123840, while the sum is 76.

The spelling of 25146878783683 in words is "twenty-five trillion, one hundred forty-six billion, eight hundred seventy-eight million, seven hundred eighty-three thousand, six hundred eighty-three".