403671745049 has 2 divisors, whose sum is σ = 403671745050. Its totient is φ = 403671745048.

The previous prime is 403671745027. The next prime is 403671745133. The reversal of 403671745049 is 940547176304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357293107600 + 46378637449 = 597740^2 + 215357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403671745049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403671744988 and 403671745006.

It is not a weakly prime, because it can be changed into another prime (403671745849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201835872524 + 201835872525.

It is an arithmetic number, because the mean of its divisors is an integer number (201835872525).

Almost surely, 2^403671745049 is an apocalyptic number.

It is an amenable number.

403671745049 is a deficient number, since it is larger than the sum of its proper divisors (1).

403671745049 is an equidigital number, since it uses as much as digits as its factorization.

403671745049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 403671745049 in words is "four hundred three billion, six hundred seventy-one million, seven hundred forty-five thousand, forty-nine".