1629949409359 has 4 divisors (see below), whose sum is σ = 1629958143616. Its totient is φ = 1629940675104.

The previous prime is 1629949409327. The next prime is 1629949409371. The reversal of 1629949409359 is 9539049499261.

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 1629949409359 - 2⁵ = 1629949409327 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 (1629949439359) 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, 4080954 + ... + 4462519.

It is an arithmetic number, because the mean of its divisors is an integer number (407489535904).

Almost surely, 2^{1629949409359} is an apocalyptic number.

1629949409359 is a deficient number, since it is larger than the sum of its proper divisors (8734257).

1629949409359 is an equidigital number, since it uses as much as digits as its factorization.

1629949409359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734256.

The product of its (nonzero) digits is 170061120, while the sum is 70.

The spelling of 1629949409359 in words is "one trillion, six hundred twenty-nine billion, nine hundred forty-nine million, four hundred nine thousand, three hundred fifty-nine".