9974644031479 has 2 divisors, whose sum is σ = 9974644031480. Its totient is φ = 9974644031478.

The previous prime is 9974644031459. The next prime is 9974644031531. The reversal of 9974644031479 is 9741304464799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9974644031479 - 2³¹ = 9972496547831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9974644031419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987322015739 + 4987322015740.

It is an arithmetic number, because the mean of its divisors is an integer number (4987322015740).

Almost surely, 2^{9974644031479} is an apocalyptic number.

9974644031479 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974644031479 is an equidigital number, since it uses as much as digits as its factorization.

9974644031479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 9974644031479 in words is "nine trillion, nine hundred seventy-four billion, six hundred forty-four million, thirty-one thousand, four hundred seventy-nine".