434402633641 has 2 divisors, whose sum is σ = 434402633642. Its totient is φ = 434402633640.

The previous prime is 434402633573. The next prime is 434402633719. The reversal of 434402633641 is 146336204434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431202355600 + 3200278041 = 656660^2 + 56571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434402633641 is a prime.

It is a super-2 number, since 2×434402633641² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434402633594 and 434402633603.

It is not a weakly prime, because it can be changed into another prime (434402633341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217201316820 + 217201316821.

It is an arithmetic number, because the mean of its divisors is an integer number (217201316821).

Almost surely, 2^434402633641 is an apocalyptic number.

It is an amenable number.

434402633641 is a deficient number, since it is larger than the sum of its proper divisors (1).

434402633641 is an equidigital number, since it uses as much as digits as its factorization.

434402633641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 40.

The spelling of 434402633641 in words is "four hundred thirty-four billion, four hundred two million, six hundred thirty-three thousand, six hundred forty-one".