426465159849 has 9 divisors (see below), whose sum is σ = 616008060759. Its totient is φ = 284308800480.

The previous prime is 426465159847. The next prime is 426465159893. The reversal of 426465159849 is 948951564624.

The square root of 426465159849 is 653043.

It is a perfect power (a square), and thus also a powerful number.

426465159849 is a `hidden beast` number, since 4 + 26 + 4 + 6 + 515 + 98 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53681646249 + 372783513600 = 231693^2 + 610560^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 426465159849 - 2¹ = 426465159847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426465159847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1850289 + ... + 2067969.

Almost surely, 2^426465159849 is an apocalyptic number.

426465159849 is the 653043-rd square number.

426465159849 is the 326522-nd centered octagonal number.

It is an amenable number.

426465159849 is a deficient number, since it is larger than the sum of its proper divisors (189542900910).

426465159849 is an frugal number, since it uses more digits than its factorization.

426465159849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435368 (or 217684 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 426465159849 in words is "four hundred twenty-six billion, four hundred sixty-five million, one hundred fifty-nine thousand, eight hundred forty-nine".