994853530477 has 4 divisors (see below), whose sum is σ = 994855566460. Its totient is φ = 994851494496.

The previous prime is 994853530403. The next prime is 994853530571. The reversal of 994853530477 is 774035358499.

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

It can be written as a sum of positive squares in 2 ways, for example, as 464096112516 + 530757417961 = 681246^2 + 728531^2 .

It is a 3-Lehmer number, since φ(994853530477) divides (994853530477-1)³.

It is a cyclic number.

It is not a de Polignac number, because 994853530477 - 2²⁷ = 994719312749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994853530277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203599 + ... + 1425187.

It is an arithmetic number, because the mean of its divisors is an integer number (248713891615).

Almost surely, 2^994853530477 is an apocalyptic number.

994853530477 is the 814393-rd pentagonal number.

It is an amenable number.

994853530477 is a deficient number, since it is larger than the sum of its proper divisors (2035983).

994853530477 is a wasteful number, since it uses less digits than its factorization.

994853530477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035982.

The product of its (nonzero) digits is 114307200, while the sum is 64.

The spelling of 994853530477 in words is "nine hundred ninety-four billion, eight hundred fifty-three million, five hundred thirty thousand, four hundred seventy-seven".