65924573442 has 144 divisors (see below), whose sum is σ = 166569157440. Its totient is φ = 17241009408.

The previous prime is 65924573441. The next prime is 65924573443. The reversal of 65924573442 is 24437542956.

It is an interprime number because it is at equal distance from previous prime (65924573441) and next prime (65924573443).

It is not an unprimeable number, because it can be changed into a prime (65924573441) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71734659 + ... + 71735577.

It is an arithmetic number, because the mean of its divisors is an integer number (1156730260).

Almost surely, 2^65924573442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65924573442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83284578720).

65924573442 is an abundant number, since it is smaller than the sum of its proper divisors (100644583998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65924573442 is a wasteful number, since it uses less digits than its factorization.

65924573442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1081 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The spelling of 65924573442 in words is "sixty-five billion, nine hundred twenty-four million, five hundred seventy-three thousand, four hundred forty-two".