846244600442 has 4 divisors (see below), whose sum is σ = 1269366900666. Its totient is φ = 423122300220.

The previous prime is 846244600337. The next prime is 846244600447. The reversal of 846244600442 is 244006442648.

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

It can be written as a sum of positive squares in only one way, i.e., 583618074601 + 262626525841 = 763949^2 + 512471^2 .

It is a super-2 number, since 2×846244600442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 846244600393 and 846244600402.

It is not an unprimeable number, because it can be changed into a prime (846244600447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211561150109 + ... + 211561150112.

Almost surely, 2^846244600442 is an apocalyptic number.

846244600442 is a deficient number, since it is larger than the sum of its proper divisors (423122300224).

846244600442 is a wasteful number, since it uses less digits than its factorization.

846244600442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423122300223.

The product of its (nonzero) digits is 1179648, while the sum is 44.

The spelling of 846244600442 in words is "eight hundred forty-six billion, two hundred forty-four million, six hundred thousand, four hundred forty-two".