61434117950 has 24 divisors (see below), whose sum is σ = 114275174760. Its totient is φ = 24571988000.

The previous prime is 61434117937. The next prime is 61434117973. The reversal of 61434117950 is 5971143416.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61434117898 and 61434117907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933221 + ... + 996879.

It is an arithmetic number, because the mean of its divisors is an integer number (4761465615).

Almost surely, 2^61434117950 is an apocalyptic number.

61434117950 is a deficient number, since it is larger than the sum of its proper divisors (52841056810).

61434117950 is a wasteful number, since it uses less digits than its factorization.

61434117950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82972 (or 82967 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 61434117950 in words is "sixty-one billion, four hundred thirty-four million, one hundred seventeen thousand, nine hundred fifty".