421455043523114 has 16 divisors (see below), whose sum is σ = 640393687888200. Its totient is φ = 207998687913984.

The previous prime is 421455043523011. The next prime is 421455043523141. The reversal of 421455043523114 is 411325340554124.

It can be written as a sum of positive squares in 4 ways, for example, as 327742324359025 + 93712719164089 = 18103655^2 + 9680533^2 .

It is a super-2 number, since 2×421455043523114² (a number of 30 digits) contains 22 as substring.

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, 2051652029 + ... + 2051857440.

Almost surely, 2^{421455043523114} is an apocalyptic number.

421455043523114 is a deficient number, since it is larger than the sum of its proper divisors (218938644365086).

421455043523114 is a wasteful number, since it uses less digits than its factorization.

421455043523114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103510137.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 421455043523114 in words is "four hundred twenty-one trillion, four hundred fifty-five billion, forty-three million, five hundred twenty-three thousand, one hundred fourteen".