974242358149 has 2 divisors, whose sum is σ = 974242358150. Its totient is φ = 974242358148.

The previous prime is 974242358143. The next prime is 974242358179. The reversal of 974242358149 is 941853242479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900709189249 + 73533168900 = 949057^2 + 271170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974242358149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974242358093 and 974242358102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974242358143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487121179074 + 487121179075.

It is an arithmetic number, because the mean of its divisors is an integer number (487121179075).

Almost surely, 2^974242358149 is an apocalyptic number.

It is an amenable number.

974242358149 is a deficient number, since it is larger than the sum of its proper divisors (1).

974242358149 is an equidigital number, since it uses as much as digits as its factorization.

974242358149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The spelling of 974242358149 in words is "nine hundred seventy-four billion, two hundred forty-two million, three hundred fifty-eight thousand, one hundred forty-nine".