1513691343 has 24 divisors (see below), whose sum is σ = 2279362176. Its totient is φ = 966888000.

The previous prime is 1513691293. The next prime is 1513691363. The reversal of 1513691343 is 3431963151.

It is a happy number.

1513691343 is a `hidden beast` number, since 1 + 513 + 6 + 9 + 134 + 3 = 666.

1513691343 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1513691343 - 2²² = 1509497039 is a prime.

It is a super-2 number, since 2×1513691343² = 4582522963746287298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1513691298 and 1513691307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513691363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1321 + ... + 55037.

It is an arithmetic number, because the mean of its divisors is an integer number (94973424).

Almost surely, 2^1513691343 is an apocalyptic number.

1513691343 is a deficient number, since it is larger than the sum of its proper divisors (765670833).

1513691343 is a wasteful number, since it uses less digits than its factorization.

1513691343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53855 (or 53852 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 1513691343 is about 38906.1864360927. The cubic root of 1513691343 is about 1148.1865161607.

The spelling of 1513691343 in words is "one billion, five hundred thirteen million, six hundred ninety-one thousand, three hundred forty-three".