61422065635642 has 16 divisors (see below), whose sum is σ = 99454019322240. Its totient is φ = 28362812916592.

The previous prime is 61422065635639. The next prime is 61422065635649. The reversal of 61422065635642 is 24653656022416.

It is a super-2 number, since 2×61422065635642² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61422065635642.

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 7 ways as a sum of consecutive naturals, for example, 23021762398 + ... + 23021765065.

It is an arithmetic number, because the mean of its divisors is an integer number (6215876207640).

Almost surely, 2^{61422065635642} is an apocalyptic number.

61422065635642 is a deficient number, since it is larger than the sum of its proper divisors (38031953686598).

61422065635642 is a wasteful number, since it uses less digits than its factorization.

61422065635642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46043527517.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 61422065635642 in words is "sixty-one trillion, four hundred twenty-two billion, sixty-five million, six hundred thirty-five thousand, six hundred forty-two".