4378751625 has 32 divisors (see below), whose sum is σ = 7714856448. Its totient is φ = 2197958400.

The previous prime is 4378751599. The next prime is 4378751633. The reversal of 4378751625 is 5261578734.

It is not a de Polignac number, because 4378751625 - 2¹⁰ = 4378750601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337057 + ... + 349806.

It is an arithmetic number, because the mean of its divisors is an integer number (241089264).

Almost surely, 2^4378751625 is an apocalyptic number.

It is an amenable number.

4378751625 is a deficient number, since it is larger than the sum of its proper divisors (3336104823).

4378751625 is a wasteful number, since it uses less digits than its factorization.

4378751625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686898 (or 686888 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The square root of 4378751625 is about 66172.1363188465. The cubic root of 4378751625 is about 1636.0005192110. Note that the first 3 decimals are identical.

The spelling of 4378751625 in words is "four billion, three hundred seventy-eight million, seven hundred fifty-one thousand, six hundred twenty-five".