434421011287 has 2 divisors, whose sum is σ = 434421011288. Its totient is φ = 434421011286.

The previous prime is 434421011273. The next prime is 434421011333. The reversal of 434421011287 is 782110124434.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434421011287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434421011237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217210505643 + 217210505644.

It is an arithmetic number, because the mean of its divisors is an integer number (217210505644).

Almost surely, 2^434421011287 is an apocalyptic number.

434421011287 is a deficient number, since it is larger than the sum of its proper divisors (1).

434421011287 is an equidigital number, since it uses as much as digits as its factorization.

434421011287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

It can be divided in two parts, 43442 and 1011287, that added together give a square (1054729 = 1027²).

The spelling of 434421011287 in words is "four hundred thirty-four billion, four hundred twenty-one million, eleven thousand, two hundred eighty-seven".