421149414249 has 12 divisors (see below), whose sum is σ = 608367475716. Its totient is φ = 280747563552.

The previous prime is 421149414233. The next prime is 421149414409. The reversal of 421149414249 is 942414941124.

421149414249 is a `hidden beast` number, since 4 + 2 + 11 + 494 + 142 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77307909849 + 343841504400 = 278043^2 + 586380^2 .

It is not a de Polignac number, because 421149414249 - 2⁴ = 421149414233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421149414229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416154 + ... + 1687539.

It is an arithmetic number, because the mean of its divisors is an integer number (50697289643).

Almost surely, 2^421149414249 is an apocalyptic number.

It is an amenable number.

421149414249 is a deficient number, since it is larger than the sum of its proper divisors (187218061467).

421149414249 is a wasteful number, since it uses less digits than its factorization.

421149414249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118776 (or 3118773 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 421149414249 in words is "four hundred twenty-one billion, one hundred forty-nine million, four hundred fourteen thousand, two hundred forty-nine".