403671745849 has 2 divisors, whose sum is σ = 403671745850. Its totient is φ = 403671745848.

The previous prime is 403671745843. The next prime is 403671745901. The reversal of 403671745849 is 948547176304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296772173824 + 106899572025 = 544768^2 + 326955^2 .

It is a cyclic number.

It is not a de Polignac number, because 403671745849 - 2⁷ = 403671745721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403671745793 and 403671745802.

It is not a weakly prime, because it can be changed into another prime (403671745843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201835872924 + 201835872925.

It is an arithmetic number, because the mean of its divisors is an integer number (201835872925).

Almost surely, 2^403671745849 is an apocalyptic number.

It is an amenable number.

403671745849 is a deficient number, since it is larger than the sum of its proper divisors (1).

403671745849 is an equidigital number, since it uses as much as digits as its factorization.

403671745849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 403671745849 in words is "four hundred three billion, six hundred seventy-one million, seven hundred forty-five thousand, eight hundred forty-nine".