402821127163 has 16 divisors (see below), whose sum is σ = 495795622336. Its totient is φ = 318705477120.

The previous prime is 402821127151. The next prime is 402821127223. The reversal of 402821127163 is 361721128204.

It is a cyclic number.

It is not a de Polignac number, because 402821127163 - 2¹³ = 402821118971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402821127763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4262383 + ... + 4355863.

It is an arithmetic number, because the mean of its divisors is an integer number (30987226396).

Almost surely, 2^402821127163 is an apocalyptic number.

402821127163 is a deficient number, since it is larger than the sum of its proper divisors (92974495173).

402821127163 is a wasteful number, since it uses less digits than its factorization.

402821127163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140854.

The product of its (nonzero) digits is 32256, while the sum is 37.

It can be divided in two parts, 402821 and 127163, that added together give a square (529984 = 728²).

The spelling of 402821127163 in words is "four hundred two billion, eight hundred twenty-one million, one hundred twenty-seven thousand, one hundred sixty-three".