449515151549 has 16 divisors (see below), whose sum is σ = 452084447232. Its totient is φ = 446955732288.

The previous prime is 449515151489. The next prime is 449515151551. The reversal of 449515151549 is 945151515944.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 449515151549 - 2³⁶ = 380795674813 is a prime.

It is a super-3 number, since 3×449515151549³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 449515151549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449515151149) 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, 278681867 + ... + 278683479.

It is an arithmetic number, because the mean of its divisors is an integer number (28255277952).

Almost surely, 2^449515151549 is an apocalyptic number.

It is an amenable number.

449515151549 is a deficient number, since it is larger than the sum of its proper divisors (2569295683).

449515151549 is a wasteful number, since it uses less digits than its factorization.

449515151549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796.

The product of its digits is 3240000, while the sum is 53.

The spelling of 449515151549 in words is "four hundred forty-nine billion, five hundred fifteen million, one hundred fifty-one thousand, five hundred forty-nine".