65444152630 has 16 divisors (see below), whose sum is σ = 118880205840. Its totient is φ = 25937498592.

The previous prime is 65444152619. The next prime is 65444152639. The reversal of 65444152630 is 3625144456.

It is a super-2 number, since 2×65444152630² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65444152639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30019164 + ... + 30021343.

It is an arithmetic number, because the mean of its divisors is an integer number (7430012865).

Almost surely, 2^65444152630 is an apocalyptic number.

65444152630 is a deficient number, since it is larger than the sum of its proper divisors (53436053210).

65444152630 is a wasteful number, since it uses less digits than its factorization.

65444152630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60040623.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 65444152630 in words is "sixty-five billion, four hundred forty-four million, one hundred fifty-two thousand, six hundred thirty".