1013601843 has 12 divisors (see below), whose sum is σ = 1518317528. Its totient is φ = 675734400.

The previous prime is 1013601821. The next prime is 1013601851. The reversal of 1013601843 is 3481063101.

1013601843 is a `hidden beast` number, since 1 + 0 + 13 + 601 + 8 + 43 = 666.

It is not a de Polignac number, because 1013601843 - 2⁵ = 1013601811 is a prime.

It is a super-3 number, since 3×1013601843³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013601443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2085358 + ... + 2085843.

Almost surely, 2^1013601843 is an apocalyptic number.

1013601843 is a deficient number, since it is larger than the sum of its proper divisors (504715685).

1013601843 is an frugal number, since it uses more digits than its factorization.

1013601843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171216 (or 4171204 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1013601843 is about 31837.1142379456. The cubic root of 1013601843 is about 1004.5135449287.

Adding to 1013601843 its reverse (3481063101), we get a palindrome (4494664944).

The spelling of 1013601843 in words is "one billion, thirteen million, six hundred one thousand, eight hundred forty-three".