61922312290 has 8 divisors (see below), whose sum is σ = 111460162140. Its totient is φ = 24768924912.

The previous prime is 61922312261. The next prime is 61922312351. The reversal of 61922312290 is 9221322916.

It can be written as a sum of positive squares in 2 ways, for example, as 56406725001 + 5515587289 = 237501^2 + 74267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3096115605 + ... + 3096115624.

Almost surely, 2^61922312290 is an apocalyptic number.

61922312290 is a deficient number, since it is larger than the sum of its proper divisors (49537849850).

61922312290 is a wasteful number, since it uses less digits than its factorization.

61922312290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192231236.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 61922312290 in words is "sixty-one billion, nine hundred twenty-two million, three hundred twelve thousand, two hundred ninety".