402258505673 has 4 divisors (see below), whose sum is σ = 402260358528. Its totient is φ = 402256652820.

The previous prime is 402258505657. The next prime is 402258505687. The reversal of 402258505673 is 376505852204.

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 402258505673 - 2⁴ = 402258505657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402258505603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549713 + ... + 1051998.

It is an arithmetic number, because the mean of its divisors is an integer number (100565089632).

Almost surely, 2^402258505673 is an apocalyptic number.

It is an amenable number.

402258505673 is a deficient number, since it is larger than the sum of its proper divisors (1852855).

402258505673 is a wasteful number, since it uses less digits than its factorization.

402258505673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852854.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 402258505673 in words is "four hundred two billion, two hundred fifty-eight million, five hundred five thousand, six hundred seventy-three".