421760372003 has 2 divisors, whose sum is σ = 421760372004. Its totient is φ = 421760372002.

The previous prime is 421760371993. The next prime is 421760372029. The reversal of 421760372003 is 300273067124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421760372003 - 2²² = 421756177699 is a prime.

It is a super-2 number, since 2×421760372003² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (421760372053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210880186001 + 210880186002.

It is an arithmetic number, because the mean of its divisors is an integer number (210880186002).

Almost surely, 2^421760372003 is an apocalyptic number.

421760372003 is a deficient number, since it is larger than the sum of its proper divisors (1).

421760372003 is an equidigital number, since it uses as much as digits as its factorization.

421760372003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 421760372003 in words is "four hundred twenty-one billion, seven hundred sixty million, three hundred seventy-two thousand, three".