4275398392821 has 32 divisors (see below), whose sum is σ = 6561313113600. Its totient is φ = 2749502511360.

The previous prime is 4275398392807. The next prime is 4275398392831. The reversal of 4275398392821 is 1282938935724.

4275398392821 is a `hidden beast` number, since 4 + 2 + 7 + 539 + 8 + 3 + 92 + 8 + 2 + 1 = 666.

It is not a de Polignac number, because 4275398392821 - 2¹³ = 4275398384629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4275398392831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21598941 + ... + 21795986.

It is an arithmetic number, because the mean of its divisors is an integer number (205041034800).

Almost surely, 2^{4275398392821} is an apocalyptic number.

4275398392821 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4275398392821 is a deficient number, since it is larger than the sum of its proper divisors (2285914720779).

4275398392821 is a wasteful number, since it uses less digits than its factorization.

4275398392821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43395066 (or 43395060 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 4275398392821 in words is "four trillion, two hundred seventy-five billion, three hundred ninety-eight million, three hundred ninety-two thousand, eight hundred twenty-one".