1513641463 has 4 divisors (see below), whose sum is σ = 1513761928. Its totient is φ = 1513521000.

The previous prime is 1513641419. The next prime is 1513641497. The reversal of 1513641463 is 3641463151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1513641463 is a prime.

It is a super-2 number, since 2×1513641463² = 4582220957025560738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513641263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38856 + ... + 67357.

It is an arithmetic number, because the mean of its divisors is an integer number (378440482).

Almost surely, 2^1513641463 is an apocalyptic number.

1513641463 is a deficient number, since it is larger than the sum of its proper divisors (120465).

1513641463 is a wasteful number, since it uses less digits than its factorization.

1513641463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120464.

The product of its digits is 25920, while the sum is 34.

The square root of 1513641463 is about 38905.5454016519. The cubic root of 1513641463 is about 1148.1739041283.

The spelling of 1513641463 in words is "one billion, five hundred thirteen million, six hundred forty-one thousand, four hundred sixty-three".