5312099282978 has 4 divisors (see below), whose sum is σ = 7968148924470. Its totient is φ = 2656049641488.

The previous prime is 5312099282951. The next prime is 5312099282981. The reversal of 5312099282978 is 8792829902135.

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

It can be written as a sum of positive squares in only one way, i.e., 3942817836409 + 1369281446569 = 1985653^2 + 1170163^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328024820743 + ... + 1328024820746.

Almost surely, 2^{5312099282978} is an apocalyptic number.

5312099282978 is a deficient number, since it is larger than the sum of its proper divisors (2656049641492).

5312099282978 is a wasteful number, since it uses less digits than its factorization.

5312099282978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656049641491.

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 5312099282978 in words is "five trillion, three hundred twelve billion, ninety-nine million, two hundred eighty-two thousand, nine hundred seventy-eight".