406944870751 has 2 divisors, whose sum is σ = 406944870752. Its totient is φ = 406944870750.

The previous prime is 406944870677. The next prime is 406944870757. The reversal of 406944870751 is 157078449604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406944870751 - 2⁷ = 406944870623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406944870692 and 406944870701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406944870757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203472435375 + 203472435376.

It is an arithmetic number, because the mean of its divisors is an integer number (203472435376).

Almost surely, 2^406944870751 is an apocalyptic number.

406944870751 is a deficient number, since it is larger than the sum of its proper divisors (1).

406944870751 is an equidigital number, since it uses as much as digits as its factorization.

406944870751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 406944870751 in words is "four hundred six billion, nine hundred forty-four million, eight hundred seventy thousand, seven hundred fifty-one".