4221751300925 has 12 divisors (see below), whose sum is σ = 5362653848916. Its totient is φ = 3295025404800.

The previous prime is 4221751300913. The next prime is 4221751300933. The reversal of 4221751300925 is 5290031571224.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 117958589401 + 4103792711524 = 343451^2 + 2025782^2 .

It is not a de Polignac number, because 4221751300925 - 2³⁴ = 4204571431741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2059389854 + ... + 2059391903.

It is an arithmetic number, because the mean of its divisors is an integer number (446887820743).

Almost surely, 2^{4221751300925} is an apocalyptic number.

It is an amenable number.

4221751300925 is a deficient number, since it is larger than the sum of its proper divisors (1140902547991).

4221751300925 is a wasteful number, since it uses less digits than its factorization.

4221751300925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118781808 (or 4118781803 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 4221751300925 in words is "four trillion, two hundred twenty-one billion, seven hundred fifty-one million, three hundred thousand, nine hundred twenty-five".