61914829150 has 12 divisors (see below), whose sum is σ = 115161582312. Its totient is φ = 24765931640.

The previous prime is 61914829147. The next prime is 61914829159. The reversal of 61914829150 is 5192841916.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61914829150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61914829159) 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 5 ways as a sum of consecutive naturals, for example, 619148242 + ... + 619148341.

It is an arithmetic number, because the mean of its divisors is an integer number (9596798526).

Almost surely, 2^61914829150 is an apocalyptic number.

61914829150 is a deficient number, since it is larger than the sum of its proper divisors (53246753162).

61914829150 is a wasteful number, since it uses less digits than its factorization.

61914829150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238296595 (or 1238296590 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 61914829150 in words is "sixty-one billion, nine hundred fourteen million, eight hundred twenty-nine thousand, one hundred fifty".