9974145497 has 16 divisors (see below), whose sum is σ = 10604350224. Its totient is φ = 9348864000.

The previous prime is 9974145469. The next prime is 9974145557. The reversal of 9974145497 is 7945414799.

It can be written as a sum of positive squares in 8 ways, for example, as 340919296 + 9633226201 = 18464^2 + 98149^2 .

It is a cyclic number.

It is not a de Polignac number, because 9974145497 - 2¹⁰ = 9974144473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9974145427) 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, 6733997 + ... + 6735477.

It is an arithmetic number, because the mean of its divisors is an integer number (662771889).

Almost surely, 2^9974145497 is an apocalyptic number.

It is an amenable number.

9974145497 is a deficient number, since it is larger than the sum of its proper divisors (630204727).

9974145497 is a wasteful number, since it uses less digits than its factorization.

9974145497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860.

The product of its digits is 11430720, while the sum is 59.

The square root of 9974145497 is about 99870.6438198933. The cubic root of 9974145497 is about 2152.5763596317.

The spelling of 9974145497 in words is "nine billion, nine hundred seventy-four million, one hundred forty-five thousand, four hundred ninety-seven".