403430334430997 has 2 divisors, whose sum is σ = 403430334430998. Its totient is φ = 403430334430996.

The previous prime is 403430334430987. The next prime is 403430334431191. The reversal of 403430334430997 is 799034433034304.

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., 403246320028036 + 184014402961 = 20080994^2 + 428969^2 .

It is a cyclic number.

It is not a de Polignac number, because 403430334430997 - 2¹⁸ = 403430334168853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403430334430987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201715167215498 + 201715167215499.

It is an arithmetic number, because the mean of its divisors is an integer number (201715167215499).

Almost surely, 2^{403430334430997} is an apocalyptic number.

It is an amenable number.

403430334430997 is a deficient number, since it is larger than the sum of its proper divisors (1).

403430334430997 is an equidigital number, since it uses as much as digits as its factorization.

403430334430997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 56.

The spelling of 403430334430997 in words is "four hundred three trillion, four hundred thirty billion, three hundred thirty-four million, four hundred thirty thousand, nine hundred ninety-seven".