25434859316 has 6 divisors (see below), whose sum is σ = 44511003810. Its totient is φ = 12717429656.

The previous prime is 25434859313. The next prime is 25434859319. The reversal of 25434859316 is 61395843452.

It is an interprime number because it is at equal distance from previous prime (25434859313) and next prime (25434859319).

It can be written as a sum of positive squares in only one way, i.e., 18719712400 + 6715146916 = 136820^2 + 81946^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25434859313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3179357411 + ... + 3179357418.

It is an arithmetic number, because the mean of its divisors is an integer number (7418500635).

Almost surely, 2^25434859316 is an apocalyptic number.

It is an amenable number.

25434859316 is a deficient number, since it is larger than the sum of its proper divisors (19076144494).

25434859316 is a wasteful number, since it uses less digits than its factorization.

25434859316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358714833 (or 6358714831 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The spelling of 25434859316 in words is "twenty-five billion, four hundred thirty-four million, eight hundred fifty-nine thousand, three hundred sixteen".