1603357204213 has 4 divisors (see below), whose sum is σ = 1633609226988. Its totient is φ = 1573105181440.

The previous prime is 1603357204177. The next prime is 1603357204217. The reversal of 1603357204213 is 3124027533061.

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 889252772004 + 714104432209 = 943002^2 + 845047^2 .

It is a cyclic number.

It is not a de Polignac number, because 1603357204213 - 2²¹ = 1603355107061 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 (1603357204217) 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, 15126011308 + ... + 15126011413.

It is an arithmetic number, because the mean of its divisors is an integer number (408402306747).

Almost surely, 2^{1603357204213} is an apocalyptic number.

It is an amenable number.

1603357204213 is a deficient number, since it is larger than the sum of its proper divisors (30252022775).

1603357204213 is an equidigital number, since it uses as much as digits as its factorization.

1603357204213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30252022774.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 1603357204213 in words is "one trillion, six hundred three billion, three hundred fifty-seven million, two hundred four thousand, two hundred thirteen".