2054340538 has 4 divisors (see below), whose sum is σ = 3081510810. Its totient is φ = 1027170268.

The previous prime is 2054340527. The next prime is 2054340539. The reversal of 2054340538 is 8350434502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1217800609 + 836539929 = 34897^2 + 28923^2 .

It is not an unprimeable number, because it can be changed into a prime (2054340539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513585133 + ... + 513585136.

Almost surely, 2^2054340538 is an apocalyptic number.

2054340538 is a deficient number, since it is larger than the sum of its proper divisors (1027170272).

2054340538 is a wasteful number, since it uses less digits than its factorization.

2054340538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027170271.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2054340538 is about 45324.8335683651. The cubic root of 2054340538 is about 1271.2300352697.

The spelling of 2054340538 in words is "two billion, fifty-four million, three hundred forty thousand, five hundred thirty-eight".