4378625261 has 8 divisors (see below), whose sum is σ = 4398809184. Its totient is φ = 4358480400.

The previous prime is 4378625231. The next prime is 4378625269. The reversal of 4378625261 is 1625268734.

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 4378625261 - 2⁶ = 4378625197 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 (4378625269) 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, 228086 + ... + 246536.

It is an arithmetic number, because the mean of its divisors is an integer number (549851148).

Almost surely, 2^4378625261 is an apocalyptic number.

It is an amenable number.

4378625261 is a deficient number, since it is larger than the sum of its proper divisors (20183923).

4378625261 is a wasteful number, since it uses less digits than its factorization.

4378625261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19531.

The product of its digits is 483840, while the sum is 44.

The square root of 4378625261 is about 66171.1814991995. The cubic root of 4378625261 is about 1635.9847815780.

The spelling of 4378625261 in words is "four billion, three hundred seventy-eight million, six hundred twenty-five thousand, two hundred sixty-one".