421770750001 has 4 divisors (see below), whose sum is σ = 423327099904. Its totient is φ = 420214400100.

The previous prime is 421770749971. The next prime is 421770750017. The reversal of 421770750001 is 100057077124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421770750001 - 2¹¹ = 421770747953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421770750061) 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, 778174545 + ... + 778175086.

It is an arithmetic number, because the mean of its divisors is an integer number (105831774976).

Almost surely, 2^421770750001 is an apocalyptic number.

It is an amenable number.

421770750001 is a deficient number, since it is larger than the sum of its proper divisors (1556349903).

421770750001 is a wasteful number, since it uses less digits than its factorization.

421770750001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556349902.

The product of its (nonzero) digits is 13720, while the sum is 34.

The spelling of 421770750001 in words is "four hundred twenty-one billion, seven hundred seventy million, seven hundred fifty thousand, one".