2005451313453 has 12 divisors (see below), whose sum is σ = 3310586295328. Its totient is φ = 1145972179080.

The previous prime is 2005451313361. The next prime is 2005451313493. The reversal of 2005451313453 is 3543131545002.

2005451313453 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 4 + 513 + 134 + 5 + 3 = 666.

It is not a de Polignac number, because 2005451313453 - 2¹³ = 2005451305261 is a prime.

It is a super-3 number, since 3×2005451313453³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005451313493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15916280203 + ... + 15916280328.

Almost surely, 2^{2005451313453} is an apocalyptic number.

It is an amenable number.

2005451313453 is a deficient number, since it is larger than the sum of its proper divisors (1305134981875).

2005451313453 is a wasteful number, since it uses less digits than its factorization.

2005451313453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31832560544 (or 31832560541 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 2005451313453 its reverse (3543131545002), we get a palindrome (5548582858455).

The spelling of 2005451313453 in words is "two trillion, five billion, four hundred fifty-one million, three hundred thirteen thousand, four hundred fifty-three".