420341434204009 has 16 divisors (see below), whose sum is σ = 421071460795840. Its totient is φ = 419611950858240.

The previous prime is 420341434203937. The next prime is 420341434204031. The reversal of 420341434204009 is 900402434143024.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420341434204009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420341434274009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27579641629 + ... + 27579656869.

It is an arithmetic number, because the mean of its divisors is an integer number (26316966299740).

Almost surely, 2^{420341434204009} is an apocalyptic number.

It is an amenable number.

420341434204009 is a deficient number, since it is larger than the sum of its proper divisors (730026591831).

420341434204009 is a wasteful number, since it uses less digits than its factorization.

420341434204009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30040.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 420341434204009 in words is "four hundred twenty trillion, three hundred forty-one billion, four hundred thirty-four million, two hundred four thousand, nine".