45724929689 has 2 divisors, whose sum is σ = 45724929690. Its totient is φ = 45724929688.

The previous prime is 45724929659. The next prime is 45724929703. The reversal of 45724929689 is 98692942754.

45724929689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45200886025 + 524043664 = 212605^2 + 22892^2 .

It is a cyclic number.

It is not a de Polignac number, because 45724929689 - 2³² = 41429962393 is a prime.

It is not a weakly prime, because it can be changed into another prime (45724929659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22862464844 + 22862464845.

It is an arithmetic number, because the mean of its divisors is an integer number (22862464845).

Almost surely, 2^45724929689 is an apocalyptic number.

It is an amenable number.

45724929689 is a deficient number, since it is larger than the sum of its proper divisors (1).

45724929689 is an equidigital number, since it uses as much as digits as its factorization.

45724929689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 65.

The spelling of 45724929689 in words is "forty-five billion, seven hundred twenty-four million, nine hundred twenty-nine thousand, six hundred eighty-nine".