45729552779 has 4 divisors (see below), whose sum is σ = 45799583376. Its totient is φ = 45659522184.

The previous prime is 45729552769. The next prime is 45729552793. The reversal of 45729552779 is 97725592754.

45729552779 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.

It is a cyclic number.

It is not a de Polignac number, because 45729552779 - 2⁴ = 45729552763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45729552769) 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, 35014319 + ... + 35015624.

It is an arithmetic number, because the mean of its divisors is an integer number (11449895844).

Almost surely, 2^45729552779 is an apocalyptic number.

45729552779 is a deficient number, since it is larger than the sum of its proper divisors (70030597).

45729552779 is an equidigital number, since it uses as much as digits as its factorization.

45729552779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70030596.

The product of its digits is 55566000, while the sum is 62.

The spelling of 45729552779 in words is "forty-five billion, seven hundred twenty-nine million, five hundred fifty-two thousand, seven hundred seventy-nine".