2054140493 has 4 divisors (see below), whose sum is σ = 2063875968. Its totient is φ = 2044405020.

The previous prime is 2054140489. The next prime is 2054140513. The reversal of 2054140493 is 3940414502.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3940414502 = 2 ⋅1970207251.

It is a cyclic number.

It is not a de Polignac number, because 2054140493 - 2² = 2054140489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054140393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4867421 + ... + 4867842.

It is an arithmetic number, because the mean of its divisors is an integer number (515968992).

Almost surely, 2^2054140493 is an apocalyptic number.

It is an amenable number.

2054140493 is a deficient number, since it is larger than the sum of its proper divisors (9735475).

2054140493 is an equidigital number, since it uses as much as digits as its factorization.

2054140493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735474.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2054140493 is about 45322.6267222014. The cubic root of 2054140493 is about 1271.1887711815.

Adding to 2054140493 its reverse (3940414502), we get a palindrome (5994554995).

The spelling of 2054140493 in words is "two billion, fifty-four million, one hundred forty thousand, four hundred ninety-three".