421171302407 has 4 divisors (see below), whose sum is σ = 443338213080. Its totient is φ = 399004391736.

The previous prime is 421171302367. The next prime is 421171302439. The reversal of 421171302407 is 704203171124.

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

It is not a de Polignac number, because 421171302407 - 2¹⁴ = 421171286023 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 (421171302467) 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, 11083455308 + ... + 11083455345.

It is an arithmetic number, because the mean of its divisors is an integer number (110834553270).

Almost surely, 2^421171302407 is an apocalyptic number.

421171302407 is a deficient number, since it is larger than the sum of its proper divisors (22166910673).

421171302407 is a wasteful number, since it uses less digits than its factorization.

421171302407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22166910672.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 421171302407 in words is "four hundred twenty-one billion, one hundred seventy-one million, three hundred two thousand, four hundred seven".