4815151286782 has 4 divisors (see below), whose sum is σ = 7222726930176. Its totient is φ = 2407575643390.

The previous prime is 4815151286773. The next prime is 4815151286789. The reversal of 4815151286782 is 2876821515184.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4815151286789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203787821694 + ... + 1203787821697.

It is an arithmetic number, because the mean of its divisors is an integer number (1805681732544).

Almost surely, 2^{4815151286782} is an apocalyptic number.

4815151286782 is a deficient number, since it is larger than the sum of its proper divisors (2407575643394).

4815151286782 is a wasteful number, since it uses less digits than its factorization.

4815151286782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407575643393.

The product of its digits is 8601600, while the sum is 58.

The spelling of 4815151286782 in words is "four trillion, eight hundred fifteen billion, one hundred fifty-one million, two hundred eighty-six thousand, seven hundred eighty-two".