1628417713 has 4 divisors (see below), whose sum is σ = 1753680628. Its totient is φ = 1503154800.

The previous prime is 1628417711. The next prime is 1628417807. The reversal of 1628417713 is 3177148261.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 832726449 + 795691264 = 28857^2 + 28208^2 .

It is a cyclic number.

It is not a de Polignac number, because 1628417713 - 2¹ = 1628417711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1628417711) 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, 62631438 + ... + 62631463.

It is an arithmetic number, because the mean of its divisors is an integer number (438420157).

Almost surely, 2^1628417713 is an apocalyptic number.

1628417713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1628417713 is a deficient number, since it is larger than the sum of its proper divisors (125262915).

1628417713 is a wasteful number, since it uses less digits than its factorization.

1628417713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125262914.

The product of its digits is 56448, while the sum is 40.

The square root of 1628417713 is about 40353.6579878454. The cubic root of 1628417713 is about 1176.4909910172.

The spelling of 1628417713 in words is "one billion, six hundred twenty-eight million, four hundred seventeen thousand, seven hundred thirteen".