61975847049 has 8 divisors (see below), whose sum is σ = 82730218752. Its totient is φ = 41269353360.

The previous prime is 61975847033. The next prime is 61975847159. The reversal of 61975847049 is 94074857916.

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

It is not a de Polignac number, because 61975847049 - 2⁴ = 61975847033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61975846983 and 61975847001.

It is not an unprimeable number, because it can be changed into a prime (61975847009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11966482 + ... + 11971659.

It is an arithmetic number, because the mean of its divisors is an integer number (10341277344).

Almost surely, 2^61975847049 is an apocalyptic number.

It is an amenable number.

61975847049 is a deficient number, since it is larger than the sum of its proper divisors (20754371703).

61975847049 is a wasteful number, since it uses less digits than its factorization.

61975847049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23939007.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 61975847049 in words is "sixty-one billion, nine hundred seventy-five million, eight hundred forty-seven thousand, forty-nine".