25422476641 has 8 divisors (see below), whose sum is σ = 26037676544. Its totient is φ = 24808366800.

The previous prime is 25422476593. The next prime is 25422476647. The reversal of 25422476641 is 14667422452.

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

It is a cyclic number.

It is not a de Polignac number, because 25422476641 - 2⁹ = 25422476129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25422476647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225210 + ... + 318691.

It is an arithmetic number, because the mean of its divisors is an integer number (3254709568).

Almost surely, 2^25422476641 is an apocalyptic number.

It is an amenable number.

25422476641 is a deficient number, since it is larger than the sum of its proper divisors (615199903).

25422476641 is a wasteful number, since it uses less digits than its factorization.

25422476641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545031.

The product of its digits is 645120, while the sum is 43.

The spelling of 25422476641 in words is "twenty-five billion, four hundred twenty-two million, four hundred seventy-six thousand, six hundred forty-one".