4000633561346 has 4 divisors (see below), whose sum is σ = 6000950342022. Its totient is φ = 2000316780672.

The previous prime is 4000633561343. The next prime is 4000633561361. The reversal of 4000633561346 is 6431653360004.

It is a happy number.

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., 3953157945025 + 47475616321 = 1988255^2 + 217889^2 .

It is not an unprimeable number, because it can be changed into a prime (4000633561343) 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, 1000158390335 + ... + 1000158390338.

Almost surely, 2^{4000633561346} is an apocalyptic number.

4000633561346 is a deficient number, since it is larger than the sum of its proper divisors (2000316780676).

4000633561346 is a wasteful number, since it uses less digits than its factorization.

4000633561346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000316780675.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 4000633561346 in words is "four trillion, six hundred thirty-three million, five hundred sixty-one thousand, three hundred forty-six".