402143321197 has 8 divisors (see below), whose sum is σ = 403635909600. Its totient is φ = 400653270864.

The previous prime is 402143321179. The next prime is 402143321227. The reversal of 402143321197 is 791123341204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402143321197 - 2¹⁵ = 402143288429 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 (402143324197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316747 + ... + 951112.

It is an arithmetic number, because the mean of its divisors is an integer number (50454488700).

Almost surely, 2^402143321197 is an apocalyptic number.

It is an amenable number.

402143321197 is a deficient number, since it is larger than the sum of its proper divisors (1492588403).

402143321197 is a wasteful number, since it uses less digits than its factorization.

402143321197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269035.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 402143321197 in words is "four hundred two billion, one hundred forty-three million, three hundred twenty-one thousand, one hundred ninety-seven".