400367065673 has 4 divisors (see below), whose sum is σ = 402042241920. Its totient is φ = 398691889428.

The previous prime is 400367065669. The next prime is 400367065697. The reversal of 400367065673 is 376560763004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400367065673 - 2² = 400367065669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400367065633) 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, 837587765 + ... + 837588242.

It is an arithmetic number, because the mean of its divisors is an integer number (100510560480).

Almost surely, 2^400367065673 is an apocalyptic number.

It is an amenable number.

400367065673 is a deficient number, since it is larger than the sum of its proper divisors (1675176247).

400367065673 is a wasteful number, since it uses less digits than its factorization.

400367065673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675176246.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 400367065673 in words is "four hundred billion, three hundred sixty-seven million, sixty-five thousand, six hundred seventy-three".