1513643264 has 108 divisors (see below), whose sum is σ = 3525998112. Its totient is φ = 635258880.

The previous prime is 1513643221. The next prime is 1513643279. The reversal of 1513643264 is 4623463151.

It is a super-2 number, since 2×1513643264² = 4582231861305147392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6667919 + ... + 6668145.

Almost surely, 2^1513643264 is an apocalyptic number.

1513643264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513643264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1762999056).

1513643264 is an abundant number, since it is smaller than the sum of its proper divisors (2012354848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1513643264 is an frugal number, since it uses more digits than its factorization.

1513643264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 297 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 1513643264 is about 38905.5685474457. The cubic root of 1513643264 is about 1148.1743595115.

The spelling of 1513643264 in words is "one billion, five hundred thirteen million, six hundred forty-three thousand, two hundred sixty-four".