61014623613 has 4 divisors (see below), whose sum is σ = 81352831488. Its totient is φ = 40676415740.

The previous prime is 61014623599. The next prime is 61014623647. The reversal of 61014623613 is 31632641016.

61014623613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61014623613 - 2¹⁴ = 61014607229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61014623693) 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, 10169103933 + ... + 10169103938.

It is an arithmetic number, because the mean of its divisors is an integer number (20338207872).

Almost surely, 2^61014623613 is an apocalyptic number.

It is an amenable number.

61014623613 is a deficient number, since it is larger than the sum of its proper divisors (20338207875).

61014623613 is a wasteful number, since it uses less digits than its factorization.

61014623613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20338207874.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 61014623613 in words is "sixty-one billion, fourteen million, six hundred twenty-three thousand, six hundred thirteen".