61920046363 has 4 divisors (see below), whose sum is σ = 70765767280. Its totient is φ = 53074325448.

The previous prime is 61920046361. The next prime is 61920046403. The reversal of 61920046363 is 36364002916.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61920046363 - 2¹ = 61920046361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61920046361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4422860448 + ... + 4422860461.

It is an arithmetic number, because the mean of its divisors is an integer number (17691441820).

Almost surely, 2^61920046363 is an apocalyptic number.

61920046363 is a deficient number, since it is larger than the sum of its proper divisors (8845720917).

61920046363 is an equidigital number, since it uses as much as digits as its factorization.

61920046363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845720916.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 61920046363 in words is "sixty-one billion, nine hundred twenty million, forty-six thousand, three hundred sixty-three".