2481003772945 has 8 divisors (see below), whose sum is σ = 3049819272360. Its totient is φ = 1936393188480.

The previous prime is 2481003772927. The next prime is 2481003773011. The reversal of 2481003772945 is 5492773001842.

It can be written as a sum of positive squares in 4 ways, for example, as 22810176 + 2480980962769 = 4776^2 + 1575113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2481003772945 - 2⁹ = 2481003772433 is a prime.

It is a super-2 number, since 2×2481003772945² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2481003772892 and 2481003772901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6051228510 + ... + 6051228919.

It is an arithmetic number, because the mean of its divisors is an integer number (381227409045).

Almost surely, 2^{2481003772945} is an apocalyptic number.

It is an amenable number.

2481003772945 is a deficient number, since it is larger than the sum of its proper divisors (568815499415).

2481003772945 is a wasteful number, since it uses less digits than its factorization.

2481003772945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12102457475.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 2481003772945 in words is "two trillion, four hundred eighty-one billion, three million, seven hundred seventy-two thousand, nine hundred forty-five".