400012737763 has 4 divisors (see below), whose sum is σ = 400422168360. Its totient is φ = 399603307168.

The previous prime is 400012737689. The next prime is 400012737769. The reversal of 400012737763 is 367737210004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400012737763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400012737769) 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, 204713833 + ... + 204715786.

It is an arithmetic number, because the mean of its divisors is an integer number (100105542090).

Almost surely, 2^400012737763 is an apocalyptic number.

400012737763 is a deficient number, since it is larger than the sum of its proper divisors (409430597).

400012737763 is an equidigital number, since it uses as much as digits as its factorization.

400012737763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409430596.

The product of its (nonzero) digits is 148176, while the sum is 40.

Adding to 400012737763 its reverse (367737210004), we get a palindrome (767749947767).

The spelling of 400012737763 in words is "four hundred billion, twelve million, seven hundred thirty-seven thousand, seven hundred sixty-three".