61448708194 has 8 divisors (see below), whose sum is σ = 92174114268. Its totient is φ = 30724003440.

The previous prime is 61448708161. The next prime is 61448708219. The reversal of 61448708194 is 49180784416.

It can be written as a sum of positive squares in 2 ways, for example, as 61442015625 + 6692569 = 247875^2 + 2587^2 .

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

It is a super-2 number, since 2×61448708194² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253024 + ... + 432340.

Almost surely, 2^61448708194 is an apocalyptic number.

61448708194 is a deficient number, since it is larger than the sum of its proper divisors (30725406074).

61448708194 is a wasteful number, since it uses less digits than its factorization.

61448708194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350660.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 61448708194 in words is "sixty-one billion, four hundred forty-eight million, seven hundred eight thousand, one hundred ninety-four".