412333402421 has 4 divisors (see below), whose sum is σ = 414044329644. Its totient is φ = 410622475200.

The previous prime is 412333402409. The next prime is 412333402433. The reversal of 412333402421 is 124204333214.

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

It is an interprime number because it is at equal distance from previous prime (412333402409) and next prime (412333402433).

It can be written as a sum of positive squares in 2 ways, for example, as 217119653521 + 195213748900 = 465961^2 + 441830^2 .

It is a cyclic number.

It is not a de Polignac number, because 412333402421 - 2¹⁸ = 412333140277 is a prime.

It is a super-3 number, since 3×412333402421³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412333402471) 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, 855463250 + ... + 855463731.

It is an arithmetic number, because the mean of its divisors is an integer number (103511082411).

Almost surely, 2^412333402421 is an apocalyptic number.

It is an amenable number.

412333402421 is a deficient number, since it is larger than the sum of its proper divisors (1710927223).

412333402421 is a wasteful number, since it uses less digits than its factorization.

412333402421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710927222.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 412333402421 its reverse (124204333214), we get a palindrome (536537735635).

The spelling of 412333402421 in words is "four hundred twelve billion, three hundred thirty-three million, four hundred two thousand, four hundred twenty-one".