406261545007 has 2 divisors, whose sum is σ = 406261545008. Its totient is φ = 406261545006.

The previous prime is 406261544989. The next prime is 406261545043. The reversal of 406261545007 is 700545162604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406261545007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406261545707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203130772503 + 203130772504.

It is an arithmetic number, because the mean of its divisors is an integer number (203130772504).

Almost surely, 2^406261545007 is an apocalyptic number.

406261545007 is a deficient number, since it is larger than the sum of its proper divisors (1).

406261545007 is an equidigital number, since it uses as much as digits as its factorization.

406261545007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 406261545007 in words is "four hundred six billion, two hundred sixty-one million, five hundred forty-five thousand, seven".