61420107422 has 4 divisors (see below), whose sum is σ = 92130161136. Its totient is φ = 30710053710.

The previous prime is 61420107421. The next prime is 61420107451. The reversal of 61420107422 is 22470102416.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61420107421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15355026854 + ... + 15355026857.

It is an arithmetic number, because the mean of its divisors is an integer number (23032540284).

Almost surely, 2^61420107422 is an apocalyptic number.

61420107422 is a deficient number, since it is larger than the sum of its proper divisors (30710053714).

61420107422 is a wasteful number, since it uses less digits than its factorization.

61420107422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30710053713.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 61420107422 its reverse (22470102416), we get a palindrome (83890209838).

The spelling of 61420107422 in words is "sixty-one billion, four hundred twenty million, one hundred seven thousand, four hundred twenty-two".