25348505946 has 32 divisors (see below), whose sum is σ = 51721225920. Its totient is φ = 8279716224.

The previous prime is 25348505933. The next prime is 25348505951. The reversal of 25348505946 is 64950584352.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585 + ... + 225188.

It is an arithmetic number, because the mean of its divisors is an integer number (1616288310).

Almost surely, 2^25348505946 is an apocalyptic number.

25348505946 is an abundant number, since it is smaller than the sum of its proper divisors (26372719974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25348505946 is a wasteful number, since it uses less digits than its factorization.

25348505946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229150.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 25348505946 in words is "twenty-five billion, three hundred forty-eight million, five hundred five thousand, nine hundred forty-six".