4646405431 has 4 divisors (see below), whose sum is σ = 4734073512. Its totient is φ = 4558737352.

The previous prime is 4646405411. The next prime is 4646405503. The reversal of 4646405431 is 1345046464.

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 4646405431 - 2¹⁹ = 4645881143 is a prime.

It is a super-2 number, since 2×4646405431² = 43178166858452591522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4646405411) 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, 43833961 + ... + 43834066.

It is an arithmetic number, because the mean of its divisors is an integer number (1183518378).

Almost surely, 2^4646405431 is an apocalyptic number.

4646405431 is a deficient number, since it is larger than the sum of its proper divisors (87668081).

4646405431 is an equidigital number, since it uses as much as digits as its factorization.

4646405431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87668080.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 4646405431 is about 68164.5467306869. The cubic root of 4646405431 is about 1668.6773361805.

The spelling of 4646405431 in words is "four billion, six hundred forty-six million, four hundred five thousand, four hundred thirty-one".