61630522522 has 4 divisors (see below), whose sum is σ = 92445783786. Its totient is φ = 30815261260.

The previous prime is 61630522517. The next prime is 61630522531. The reversal of 61630522522 is 22522503616.

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

It can be written as a sum of positive squares in only one way, i.e., 54297854361 + 7332668161 = 233019^2 + 85631^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15407630629 + ... + 15407630632.

Almost surely, 2^61630522522 is an apocalyptic number.

61630522522 is a deficient number, since it is larger than the sum of its proper divisors (30815261264).

61630522522 is a wasteful number, since it uses less digits than its factorization.

61630522522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30815261263.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 61630522522 in words is "sixty-one billion, six hundred thirty million, five hundred twenty-two thousand, five hundred twenty-two".