1054049491873 has 4 divisors (see below), whose sum is σ = 1204627990720. Its totient is φ = 903470993028.

The previous prime is 1054049491853. The next prime is 1054049491897. The reversal of 1054049491873 is 3781949404501.

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 1054049491873 - 2²¹ = 1054047394721 is a prime.

It is a super-2 number, since 2×1054049491873² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054049491853) 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, 75289249413 + ... + 75289249426.

It is an arithmetic number, because the mean of its divisors is an integer number (301156997680).

Almost surely, 2^{1054049491873} is an apocalyptic number.

It is an amenable number.

1054049491873 is a deficient number, since it is larger than the sum of its proper divisors (150578498847).

1054049491873 is an equidigital number, since it uses as much as digits as its factorization.

1054049491873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150578498846.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 1054049491873 in words is "one trillion, fifty-four billion, forty-nine million, four hundred ninety-one thousand, eight hundred seventy-three".