412721963 has 4 divisors (see below), whose sum is σ = 415193520. Its totient is φ = 410250408.

The previous prime is 412721923. The next prime is 412721977. The reversal of 412721963 is 369127214.

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

It is a cyclic number.

It is not a de Polignac number, because 412721963 - 2¹⁰ = 412720939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412721923) 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, 1235528 + ... + 1235861.

It is an arithmetic number, because the mean of its divisors is an integer number (103798380).

Almost surely, 2^412721963 is an apocalyptic number.

412721963 is a deficient number, since it is larger than the sum of its proper divisors (2471557).

412721963 is a wasteful number, since it uses less digits than its factorization.

412721963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471556.

The product of its digits is 18144, while the sum is 35.

The square root of 412721963 is about 20315.5596280290. The cubic root of 412721963 is about 744.5362716252.

The spelling of 412721963 in words is "four hundred twelve million, seven hundred twenty-one thousand, nine hundred sixty-three".