97442959426 has 16 divisors (see below), whose sum is σ = 150136201080. Its totient is φ = 47397934080.

The previous prime is 97442959423. The next prime is 97442959433. The reversal of 97442959426 is 62495924479.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73223818801 + 24219140625 = 270599^2 + 155625^2 .

It is not an unprimeable number, because it can be changed into a prime (97442959423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450786 + ... + 630946.

Almost surely, 2^97442959426 is an apocalyptic number.

97442959426 is a deficient number, since it is larger than the sum of its proper divisors (52693241654).

97442959426 is a wasteful number, since it uses less digits than its factorization.

97442959426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187509.

The product of its digits is 39191040, while the sum is 61.

The spelling of 97442959426 in words is "ninety-seven billion, four hundred forty-two million, nine hundred fifty-nine thousand, four hundred twenty-six".