544739169 has 16 divisors (see below), whose sum is σ = 782655552. Its totient is φ = 335024448.

The previous prime is 544739149. The next prime is 544739231. The reversal of 544739169 is 961937445.

It is not a de Polignac number, because 544739169 - 2²⁰ = 543690593 is a prime.

It is a super-2 number, since 2×544739169² = 593481524485621122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (544739119) 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, 87994 + ... + 93980.

It is an arithmetic number, because the mean of its divisors is an integer number (48915972).

Almost surely, 2^544739169 is an apocalyptic number.

It is an amenable number.

544739169 is a deficient number, since it is larger than the sum of its proper divisors (237916383).

544739169 is a wasteful number, since it uses less digits than its factorization.

544739169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336.

The product of its digits is 816480, while the sum is 48.

The square root of 544739169 is about 23339.6480050578. The cubic root of 544739169 is about 816.7005874753.

The spelling of 544739169 in words is "five hundred forty-four million, seven hundred thirty-nine thousand, one hundred sixty-nine".