9028142981 has 16 divisors (see below), whose sum is σ = 10734292800. Its totient is φ = 7484776320.

The previous prime is 9028142971. The next prime is 9028142993. The reversal of 9028142981 is 1892418209.

It is a cyclic number.

It is not a de Polignac number, because 9028142981 - 2¹⁰ = 9028141957 is a prime.

It is a super-2 number, since 2×9028142981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9028142911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368456 + ... + 392193.

It is an arithmetic number, because the mean of its divisors is an integer number (670893300).

Almost surely, 2^9028142981 is an apocalyptic number.

It is an amenable number.

9028142981 is a deficient number, since it is larger than the sum of its proper divisors (1706149819).

9028142981 is a wasteful number, since it uses less digits than its factorization.

9028142981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760756.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 9028142981 is about 95016.5405653142. The cubic root of 9028142981 is about 2082.2497062886.

The spelling of 9028142981 in words is "nine billion, twenty-eight million, one hundred forty-two thousand, nine hundred eighty-one".