8513037842 has 4 divisors (see below), whose sum is σ = 12769556766. Its totient is φ = 4256518920.

The previous prime is 8513037833. The next prime is 8513037851. The reversal of 8513037842 is 2487303158.

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

It is an interprime number because it is at equal distance from previous prime (8513037833) and next prime (8513037851).

It can be written as a sum of positive squares in only one way, i.e., 4371986641 + 4141051201 = 66121^2 + 64351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8513037842.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128259459 + ... + 2128259462.

Almost surely, 2^8513037842 is an apocalyptic number.

8513037842 is a deficient number, since it is larger than the sum of its proper divisors (4256518924).

8513037842 is a wasteful number, since it uses less digits than its factorization.

8513037842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256518923.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 8513037842 is about 92266.1251055879. The cubic root of 8513037842 is about 2041.8704683860.

The spelling of 8513037842 in words is "eight billion, five hundred thirteen million, thirty-seven thousand, eight hundred forty-two".