1605413252443 has 32 divisors (see below), whose sum is σ = 2155856274432. Its totient is φ = 1154562595200.

The previous prime is 1605413252423. The next prime is 1605413252449. The reversal of 1605413252443 is 3442523145061.

It is not a de Polignac number, because 1605413252443 - 2²¹ = 1605411155291 is a prime.

It is a super-2 number, since 2×1605413252443² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1605413252396 and 1605413252405.

It is not an unprimeable number, because it can be changed into a prime (1605413252449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6465730 + ... + 6709432.

It is an arithmetic number, because the mean of its divisors is an integer number (67370508576).

Almost surely, 2^{1605413252443} is an apocalyptic number.

1605413252443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1605413252443 is a deficient number, since it is larger than the sum of its proper divisors (550443021989).

1605413252443 is a wasteful number, since it uses less digits than its factorization.

1605413252443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250315.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 1605413252443 in words is "one trillion, six hundred five billion, four hundred thirteen million, two hundred fifty-two thousand, four hundred forty-three".