9971424754 has 4 divisors (see below), whose sum is σ = 14957137134. Its totient is φ = 4985712376.

The previous prime is 9971424739. The next prime is 9971424767. The reversal of 9971424754 is 4574241799.

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 only one way, i.e., 6174030625 + 3797394129 = 78575^2 + 61623^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2492856187 + ... + 2492856190.

Almost surely, 2^9971424754 is an apocalyptic number.

9971424754 is a deficient number, since it is larger than the sum of its proper divisors (4985712380).

9971424754 is a wasteful number, since it uses less digits than its factorization.

9971424754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985712379.

The product of its digits is 2540160, while the sum is 52.

The square root of 9971424754 is about 99857.0215558225. The cubic root of 9971424754 is about 2152.3806155563.

The spelling of 9971424754 in words is "nine billion, nine hundred seventy-one million, four hundred twenty-four thousand, seven hundred fifty-four".