61722833950 has 12 divisors (see below), whose sum is σ = 114804471240. Its totient is φ = 24689133560.

The previous prime is 61722833947. The next prime is 61722833981. The reversal of 61722833950 is 5933822716.

It is a self number, because there is not a number n which added to its sum of digits gives 61722833950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617228290 + ... + 617228389.

It is an arithmetic number, because the mean of its divisors is an integer number (9567039270).

Almost surely, 2^61722833950 is an apocalyptic number.

61722833950 is a deficient number, since it is larger than the sum of its proper divisors (53081637290).

61722833950 is a wasteful number, since it uses less digits than its factorization.

61722833950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234456691 (or 1234456686 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 61722833950 in words is "sixty-one billion, seven hundred twenty-two million, eight hundred thirty-three thousand, nine hundred fifty".