421270381263 has 4 divisors (see below), whose sum is σ = 561693841688. Its totient is φ = 280846920840.

The previous prime is 421270381241. The next prime is 421270381267. The reversal of 421270381263 is 362183072124.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 421270381263 - 2⁶ = 421270381199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421270381267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70211730208 + ... + 70211730213.

It is an arithmetic number, because the mean of its divisors is an integer number (140423460422).

Almost surely, 2^421270381263 is an apocalyptic number.

421270381263 is a deficient number, since it is larger than the sum of its proper divisors (140423460425).

421270381263 is a wasteful number, since it uses less digits than its factorization.

421270381263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140423460424.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 421270381263 in words is "four hundred twenty-one billion, two hundred seventy million, three hundred eighty-one thousand, two hundred sixty-three".