999147468377 has 2 divisors, whose sum is σ = 999147468378. Its totient is φ = 999147468376.

The previous prime is 999147468353. The next prime is 999147468433. The reversal of 999147468377 is 773864741999.

999147468377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672759207961 + 326388260416 = 820219^2 + 571304^2 .

It is a cyclic number.

It is not a de Polignac number, because 999147468377 - 2¹² = 999147464281 is a prime.

It is a super-3 number, since 3×999147468377³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (999147468677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499573734188 + 499573734189.

It is an arithmetic number, because the mean of its divisors is an integer number (499573734189).

Almost surely, 2^999147468377 is an apocalyptic number.

It is an amenable number.

999147468377 is a deficient number, since it is larger than the sum of its proper divisors (1).

999147468377 is an equidigital number, since it uses as much as digits as its factorization.

999147468377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576108288, while the sum is 74.

The spelling of 999147468377 in words is "nine hundred ninety-nine billion, one hundred forty-seven million, four hundred sixty-eight thousand, three hundred seventy-seven".