25196197297463 has 12 divisors (see below), whose sum is σ = 25521597034920. Its totient is φ = 24874895734416.

The previous prime is 25196197297409. The next prime is 25196197297471. The reversal of 25196197297463 is 36479279169152.

It is not a de Polignac number, because 25196197297463 - 2⁴⁰ = 24096685669687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25196197267463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67447448 + ... + 67819986.

It is an arithmetic number, because the mean of its divisors is an integer number (2126799752910).

Almost surely, 2^{25196197297463} is an apocalyptic number.

25196197297463 is a deficient number, since it is larger than the sum of its proper divisors (325399737457).

25196197297463 is an equidigital number, since it uses as much as digits as its factorization.

25196197297463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383534 (or 383455 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 71.

The spelling of 25196197297463 in words is "twenty-five trillion, one hundred ninety-six billion, one hundred ninety-seven million, two hundred ninety-seven thousand, four hundred sixty-three".