10437780005 has 4 divisors (see below), whose sum is σ = 12525336012. Its totient is φ = 8350224000.

The previous prime is 10437779999. The next prime is 10437780007. The reversal of 10437780005 is 50008773401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5849343361 + 4588436644 = 76481^2 + 67738^2 .

It is not a de Polignac number, because 10437780005 - 2⁸ = 10437779749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10437780007) 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, 1043777996 + ... + 1043778005.

It is an arithmetic number, because the mean of its divisors is an integer number (3131334003).

Almost surely, 2^10437780005 is an apocalyptic number.

It is an amenable number.

10437780005 is a deficient number, since it is larger than the sum of its proper divisors (2087556007).

10437780005 is an equidigital number, since it uses as much as digits as its factorization.

10437780005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087556006.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 10437780005 in words is "ten billion, four hundred thirty-seven million, seven hundred eighty thousand, five".