1513643442 has 16 divisors (see below), whose sum is σ = 3028761120. Its totient is φ = 504302112.

The previous prime is 1513643441. The next prime is 1513643449. The reversal of 1513643442 is 2443463151.

It is a happy number.

It is a super-2 number, since 2×1513643442² = 4582232939019214728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1513643441) 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, 47848 + ... + 72915.

It is an arithmetic number, because the mean of its divisors is an integer number (189297570).

Almost surely, 2^1513643442 is an apocalyptic number.

1513643442 is an abundant number, since it is smaller than the sum of its proper divisors (1515117678).

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

1513643442 is a wasteful number, since it uses less digits than its factorization.

1513643442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122857.

The product of its digits is 34560, while the sum is 33.

The square root of 1513643442 is about 38905.5708350360. The cubic root of 1513643442 is about 1148.1744045188.

The spelling of 1513643442 in words is "one billion, five hundred thirteen million, six hundred forty-three thousand, four hundred forty-two".