412139693 has 4 divisors (see below), whose sum is σ = 471016800. Its totient is φ = 353262588.

The previous prime is 412139681. The next prime is 412139701. The reversal of 412139693 is 396931214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 396931214 = 2 ⋅198465607.

It is not a de Polignac number, because 412139693 - 2²⁰ = 411091117 is a prime.

It is a super-2 number, since 2×412139693² = 339718253092268498, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412139293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29438543 + ... + 29438556.

It is an arithmetic number, because the mean of its divisors is an integer number (117754200).

Almost surely, 2^412139693 is an apocalyptic number.

It is an amenable number.

412139693 is a deficient number, since it is larger than the sum of its proper divisors (58877107).

412139693 is an equidigital number, since it uses as much as digits as its factorization.

412139693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58877106.

The product of its digits is 34992, while the sum is 38.

The square root of 412139693 is about 20301.2239286207. The cubic root of 412139693 is about 744.1859751344.

The spelling of 412139693 in words is "four hundred twelve million, one hundred thirty-nine thousand, six hundred ninety-three".