65424171012 has 12 divisors (see below), whose sum is σ = 152656399056. Its totient is φ = 21808057000.

The previous prime is 65424170983. The next prime is 65424171019. The reversal of 65424171012 is 21017142456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×65424171012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65424171019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726007114 + ... + 2726007137.

It is an arithmetic number, because the mean of its divisors is an integer number (12721366588).

Almost surely, 2^65424171012 is an apocalyptic number.

It is an amenable number.

65424171012 is an abundant number, since it is smaller than the sum of its proper divisors (87232228044).

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

65424171012 is a wasteful number, since it uses less digits than its factorization.

65424171012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452014258 (or 5452014256 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 65424171012 in words is "sixty-five billion, four hundred twenty-four million, one hundred seventy-one thousand, twelve".