4285073981 has 4 divisors (see below), whose sum is σ = 4286589372. Its totient is φ = 4283558592.

The previous prime is 4285073963. The next prime is 4285074023. The reversal of 4285073981 is 1893705824.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3356348356 + 928725625 = 57934^2 + 30475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4285073981 - 2⁶ = 4285073917 is a prime.

It is a super-2 number, since 2×4285073981² = 36723718045286376722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285073081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753446 + ... + 759111.

It is an arithmetic number, because the mean of its divisors is an integer number (1071647343).

Almost surely, 2^4285073981 is an apocalyptic number.

It is an amenable number.

4285073981 is a deficient number, since it is larger than the sum of its proper divisors (1515391).

4285073981 is a wasteful number, since it uses less digits than its factorization.

4285073981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515390.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 4285073981 is about 65460.4764800868. The cubic root of 4285073981 is about 1624.2496235401.

The spelling of 4285073981 in words is "four billion, two hundred eighty-five million, seventy-three thousand, nine hundred eighty-one".