61013861383 has 4 divisors (see below), whose sum is σ = 61017064488. Its totient is φ = 61010658280.

The previous prime is 61013861347. The next prime is 61013861411. The reversal of 61013861383 is 38316831016.

It is a happy number.

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 61013861383 - 2¹⁷ = 61013730311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61013861333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572808 + ... + 1611133.

It is an arithmetic number, because the mean of its divisors is an integer number (15254266122).

Almost surely, 2^61013861383 is an apocalyptic number.

61013861383 is a deficient number, since it is larger than the sum of its proper divisors (3203105).

61013861383 is a wasteful number, since it uses less digits than its factorization.

61013861383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203104.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 61013861383 in words is "sixty-one billion, thirteen million, eight hundred sixty-one thousand, three hundred eighty-three".