1513241643 has 8 divisors (see below), whose sum is σ = 2123848000. Its totient is φ = 955731528.

The previous prime is 1513241629. The next prime is 1513241671. The reversal of 1513241643 is 3461423151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1513241643 - 2⁹ = 1513241131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1513241643.

It is not an unprimeable number, because it can be changed into a prime (1513241683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13273993 + ... + 13274106.

It is an arithmetic number, because the mean of its divisors is an integer number (265481000).

Almost surely, 2^1513241643 is an apocalyptic number.

1513241643 is a deficient number, since it is larger than the sum of its proper divisors (610606357).

1513241643 is a wasteful number, since it uses less digits than its factorization.

1513241643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26548121.

The product of its digits is 8640, while the sum is 30.

The square root of 1513241643 is about 38900.4067202388. The cubic root of 1513241643 is about 1148.0728006356.

Adding to 1513241643 its reverse (3461423151), we get a palindrome (4974664794).

The spelling of 1513241643 in words is "one billion, five hundred thirteen million, two hundred forty-one thousand, six hundred forty-three".