1626231013 has 8 divisors (see below), whose sum is σ = 1778755680. Its totient is φ = 1474487280.

The previous prime is 1626230981. The next prime is 1626231017. The reversal of 1626231013 is 3101326261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1626231013 - 2⁵ = 1626230981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626231017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190870 + ... + 199207.

It is an arithmetic number, because the mean of its divisors is an integer number (222344460).

Almost surely, 2^1626231013 is an apocalyptic number.

It is an amenable number.

1626231013 is a deficient number, since it is larger than the sum of its proper divisors (152524667).

1626231013 is a wasteful number, since it uses less digits than its factorization.

1626231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390467.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1626231013 is about 40326.5546879472. The cubic root of 1626231013 is about 1175.9641431387.

Adding to 1626231013 its reverse (3101326261), we get a palindrome (4727557274).

The spelling of 1626231013 in words is "one billion, six hundred twenty-six million, two hundred thirty-one thousand, thirteen".