65210241642 has 144 divisors (see below), whose sum is σ = 169585028352. Its totient is φ = 16643128320.

The previous prime is 65210241641. The next prime is 65210241671. The reversal of 65210241642 is 24614201256.

It is not an unprimeable number, because it can be changed into a prime (65210241641) 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, 1519098 + ... + 1561434.

It is an arithmetic number, because the mean of its divisors is an integer number (1177673808).

Almost surely, 2^65210241642 is an apocalyptic number.

65210241642 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 65210241642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84792514176).

65210241642 is an abundant number, since it is smaller than the sum of its proper divisors (104374786710).

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

65210241642 is a wasteful number, since it uses less digits than its factorization.

65210241642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42413 (or 42393 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 65210241642 its reverse (24614201256), we get a palindrome (89824442898).

The spelling of 65210241642 in words is "sixty-five billion, two hundred ten million, two hundred forty-one thousand, six hundred forty-two".