406740373643 has 2 divisors, whose sum is σ = 406740373644. Its totient is φ = 406740373642.

The previous prime is 406740373631. The next prime is 406740373681. The reversal of 406740373643 is 346373047604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406740373643 - 2⁶ = 406740373579 is a prime.

It is not a weakly prime, because it can be changed into another prime (406749373643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203370186821 + 203370186822.

It is an arithmetic number, because the mean of its divisors is an integer number (203370186822).

Almost surely, 2^406740373643 is an apocalyptic number.

406740373643 is a deficient number, since it is larger than the sum of its proper divisors (1).

406740373643 is an equidigital number, since it uses as much as digits as its factorization.

406740373643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 47.

The spelling of 406740373643 in words is "four hundred six billion, seven hundred forty million, three hundred seventy-three thousand, six hundred forty-three".