258716423632 has 10 divisors (see below), whose sum is σ = 501263070818. Its totient is φ = 129358211808.

The previous prime is 258716423617. The next prime is 258716423633. The reversal of 258716423632 is 236324617852.

It can be written as a sum of positive squares in only one way, i.e., 201902840896 + 56813582736 = 449336^2 + 238356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258716423633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8084888223 + ... + 8084888254.

Almost surely, 2^258716423632 is an apocalyptic number.

It is an amenable number.

258716423632 is a deficient number, since it is larger than the sum of its proper divisors (242546647186).

258716423632 is a wasteful number, since it uses less digits than its factorization.

258716423632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16169776485 (or 16169776479 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 258716423632 in words is "two hundred fifty-eight billion, seven hundred sixteen million, four hundred twenty-three thousand, six hundred thirty-two".