1626045413 has 4 divisors (see below), whose sum is σ = 1626149280. Its totient is φ = 1625941548.

The previous prime is 1626045409. The next prime is 1626045469. The reversal of 1626045413 is 3145406261.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1626045413 - 2² = 1626045409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1626045413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626045913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23123 + ... + 61536.

It is an arithmetic number, because the mean of its divisors is an integer number (406537320).

Almost surely, 2^1626045413 is an apocalyptic number.

It is an amenable number.

1626045413 is a deficient number, since it is larger than the sum of its proper divisors (103867).

1626045413 is an equidigital number, since it uses as much as digits as its factorization.

1626045413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103866.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1626045413 is about 40324.2534090837. The cubic root of 1626045413 is about 1175.9194042615.

The spelling of 1626045413 in words is "one billion, six hundred twenty-six million, forty-five thousand, four hundred thirteen".