9974114981 has 4 divisors (see below), whose sum is σ = 10041055500. Its totient is φ = 9907174464.

The previous prime is 9974114959. The next prime is 9974114989. The reversal of 9974114981 is 1894114799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1894114799 = 12641 ⋅149839.

It can be written as a sum of positive squares in 2 ways, for example, as 5275697956 + 4698417025 = 72634^2 + 68545^2 .

It is a cyclic number.

It is not a de Polignac number, because 9974114981 - 2²⁶ = 9907006117 is a prime.

It is a super-2 number, since 2×9974114981² (a number of 21 digits) 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 (9974114989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33470036 + ... + 33470333.

It is an arithmetic number, because the mean of its divisors is an integer number (2510263875).

Almost surely, 2^9974114981 is an apocalyptic number.

It is an amenable number.

9974114981 is a deficient number, since it is larger than the sum of its proper divisors (66940519).

9974114981 is a wasteful number, since it uses less digits than its factorization.

9974114981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66940518.

The product of its digits is 653184, while the sum is 53.

The square root of 9974114981 is about 99870.4910421492. The cubic root of 9974114981 is about 2152.5741643530.

The spelling of 9974114981 in words is "nine billion, nine hundred seventy-four million, one hundred fourteen thousand, nine hundred eighty-one".