415640021207 has 2 divisors, whose sum is σ = 415640021208. Its totient is φ = 415640021206.

The previous prime is 415640021183. The next prime is 415640021243. The reversal of 415640021207 is 702120046514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 415640021207 - 2⁸ = 415640020951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415640021287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207820010603 + 207820010604.

It is an arithmetic number, because the mean of its divisors is an integer number (207820010604).

Almost surely, 2^415640021207 is an apocalyptic number.

415640021207 is a deficient number, since it is larger than the sum of its proper divisors (1).

415640021207 is an equidigital number, since it uses as much as digits as its factorization.

415640021207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 415640021207 in words is "four hundred fifteen billion, six hundred forty million, twenty-one thousand, two hundred seven".