2736453333981 has 16 divisors (see below), whose sum is σ = 3710410796288. Its totient is φ = 1793431195200.

The previous prime is 2736453333973. The next prime is 2736453334003. The reversal of 2736453333981 is 1893333546372.

It is not a de Polignac number, because 2736453333981 - 2³ = 2736453333973 is a prime.

It is a super-2 number, since 2×2736453333981² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2736453332981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3676981 + ... + 4358106.

It is an arithmetic number, because the mean of its divisors is an integer number (231900674768).

Almost surely, 2^{2736453333981} is an apocalyptic number.

It is an amenable number.

2736453333981 is a deficient number, since it is larger than the sum of its proper divisors (973957462307).

2736453333981 is a wasteful number, since it uses less digits than its factorization.

2736453333981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037012.

The product of its digits is 29393280, while the sum is 57.

The spelling of 2736453333981 in words is "two trillion, seven hundred thirty-six billion, four hundred fifty-three million, three hundred thirty-three thousand, nine hundred eighty-one".