61222336463 has 4 divisors (see below), whose sum is σ = 61542872448. Its totient is φ = 60901800480.

The previous prime is 61222336457. The next prime is 61222336477. The reversal of 61222336463 is 36463322216.

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

It is a cyclic number.

It is not a de Polignac number, because 61222336463 - 2²⁶ = 61155227599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61222336403) 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 3 ways as a sum of consecutive naturals, for example, 160267706 + ... + 160268087.

It is an arithmetic number, because the mean of its divisors is an integer number (15385718112).

Almost surely, 2^61222336463 is an apocalyptic number.

61222336463 is a deficient number, since it is larger than the sum of its proper divisors (320535985).

61222336463 is a wasteful number, since it uses less digits than its factorization.

61222336463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320535984.

The product of its digits is 186624, while the sum is 38.

Adding to 61222336463 its reverse (36463322216), we get a palindrome (97685658679).

The spelling of 61222336463 in words is "sixty-one billion, two hundred twenty-two million, three hundred thirty-six thousand, four hundred sixty-three".