1723916049 has 16 divisors (see below), whose sum is σ = 2392979520. Its totient is φ = 1102570560.

The previous prime is 1723916017. The next prime is 1723916069. The reversal of 1723916049 is 9406193271.

It is not a de Polignac number, because 1723916049 - 2⁵ = 1723916017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1723916049.

It is not an unprimeable number, because it can be changed into a prime (1723916069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49447 + ... + 76764.

It is an arithmetic number, because the mean of its divisors is an integer number (149561220).

Almost surely, 2^1723916049 is an apocalyptic number.

It is an amenable number.

1723916049 is a deficient number, since it is larger than the sum of its proper divisors (669063471).

1723916049 is a wasteful number, since it uses less digits than its factorization.

1723916049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126400.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1723916049 is about 41520.0680274009. The cubic root of 1723916049 is about 1199.0538952397.

The spelling of 1723916049 in words is "one billion, seven hundred twenty-three million, nine hundred sixteen thousand, forty-nine".