407713643 has 4 divisors (see below), whose sum is σ = 420865728. Its totient is φ = 394561560.

The previous prime is 407713613. The next prime is 407713651. The reversal of 407713643 is 346317704.

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 407713643 - 2¹⁴ = 407697259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407713613) 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, 6575996 + ... + 6576057.

It is an arithmetic number, because the mean of its divisors is an integer number (105216432).

Almost surely, 2^407713643 is an apocalyptic number.

407713643 is a deficient number, since it is larger than the sum of its proper divisors (13152085).

407713643 is a wasteful number, since it uses less digits than its factorization.

407713643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152084.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 407713643 is about 20191.9202405319. The cubic root of 407713643 is about 741.5123944804.

The spelling of 407713643 in words is "four hundred seven million, seven hundred thirteen thousand, six hundred forty-three".