89242430644 has 6 divisors (see below), whose sum is σ = 156174253634. Its totient is φ = 44621215320.

The previous prime is 89242430633. The next prime is 89242430657. The reversal of 89242430644 is 44603424298.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75000395044 + 14242035600 = 273862^2 + 119340^2 .

It is a super-2 number, since 2×89242430644² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89242430594 and 89242430603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155303827 + ... + 11155303834.

Almost surely, 2^89242430644 is an apocalyptic number.

It is an amenable number.

89242430644 is a deficient number, since it is larger than the sum of its proper divisors (66931822990).

89242430644 is a wasteful number, since it uses less digits than its factorization.

89242430644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22310607665 (or 22310607663 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 89242430644 in words is "eighty-nine billion, two hundred forty-two million, four hundred thirty thousand, six hundred forty-four".