421413040233146 has 16 divisors (see below), whose sum is σ = 680745051514248. Its totient is φ = 194498066376000.

The previous prime is 421413040233103. The next prime is 421413040233179. The reversal of 421413040233146 is 641332040314124.

It can be written as a sum of positive squares in 4 ways, for example, as 412259928514225 + 9153111718921 = 20304185^2 + 3025411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9741296 + ... + 30622196.

Almost surely, 2^{421413040233146} is an apocalyptic number.

421413040233146 is a deficient number, since it is larger than the sum of its proper divisors (259332011281102).

421413040233146 is a wasteful number, since it uses less digits than its factorization.

421413040233146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21657137.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 421413040233146 in words is "four hundred twenty-one trillion, four hundred thirteen billion, forty million, two hundred thirty-three thousand, one hundred forty-six".