437006046361138 has 4 divisors (see below), whose sum is σ = 655509069541710. Its totient is φ = 218503023180568.

The previous prime is 437006046361069. The next prime is 437006046361139. The reversal of 437006046361138 is 831163640600734.

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., 290499060905089 + 146506985456049 = 17044033^2 + 12104007^2 .

It is a super-2 number, since 2×437006046361138² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (437006046361139) 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 as a sum of consecutive naturals, namely, 109251511590283 + ... + 109251511590286.

Almost surely, 2^{437006046361138} is an apocalyptic number.

437006046361138 is a deficient number, since it is larger than the sum of its proper divisors (218503023180572).

437006046361138 is a wasteful number, since it uses less digits than its factorization.

437006046361138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218503023180571.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 437006046361138 in words is "four hundred thirty-seven trillion, six billion, forty-six million, three hundred sixty-one thousand, one hundred thirty-eight".