2981374553 has 4 divisors (see below), whose sum is σ = 2987496960. Its totient is φ = 2975252148.

The previous prime is 2981374549. The next prime is 2981374559. The reversal of 2981374553 is 3554731892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2981374553 - 2² = 2981374549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2981374498 and 2981374507.

It is not an unprimeable number, because it can be changed into a prime (2981374559) 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, 3060473 + ... + 3061446.

It is an arithmetic number, because the mean of its divisors is an integer number (746874240).

Almost surely, 2^2981374553 is an apocalyptic number.

It is an amenable number.

2981374553 is a deficient number, since it is larger than the sum of its proper divisors (6122407).

2981374553 is an equidigital number, since it uses as much as digits as its factorization.

2981374553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122406.

The product of its digits is 907200, while the sum is 47.

The square root of 2981374553 is about 54601.9647357126. The cubic root of 2981374553 is about 1439.2586450464.

It can be divided in two parts, 298137455 and 3, that multiplied together give a triangular number (894412365 = T₄₂₂₉₄).

The spelling of 2981374553 in words is "two billion, nine hundred eighty-one million, three hundred seventy-four thousand, five hundred fifty-three".