61422065635641 has 16 divisors (see below), whose sum is σ = 83656931030400. Its totient is φ = 40074368526720.

The previous prime is 61422065635639. The next prime is 61422065635649. The reversal of 61422065635641 is 14653656022416.

It is not a de Polignac number, because 61422065635641 - 2¹ = 61422065635639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61422065635649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843279420 + ... + 843352253.

It is an arithmetic number, because the mean of its divisors is an integer number (5228558189400).

Almost surely, 2^{61422065635641} is an apocalyptic number.

61422065635641 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61422065635641 is a deficient number, since it is larger than the sum of its proper divisors (22234865394759).

61422065635641 is a wasteful number, since it uses less digits than its factorization.

61422065635641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686631936.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 61422065635641 in words is "sixty-one trillion, four hundred twenty-two billion, sixty-five million, six hundred thirty-five thousand, six hundred forty-one".