25348284946 has 8 divisors (see below), whose sum is σ = 38074301964. Its totient is φ = 12656850960.

The previous prime is 25348284943. The next prime is 25348284947. The reversal of 25348284946 is 64948284352.

It can be written as a sum of positive squares in 2 ways, for example, as 25220933721 + 127351225 = 158811^2 + 11285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25348284946² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25348284943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8643925 + ... + 8646856.

Almost surely, 2^25348284946 is an apocalyptic number.

25348284946 is a deficient number, since it is larger than the sum of its proper divisors (12726017018).

25348284946 is a wasteful number, since it uses less digits than its factorization.

25348284946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17291516.

The product of its digits is 13271040, while the sum is 55.

The spelling of 25348284946 in words is "twenty-five billion, three hundred forty-eight million, two hundred eighty-four thousand, nine hundred forty-six".