2558759954 has 4 divisors (see below), whose sum is σ = 3838139934. Its totient is φ = 1279379976.

The previous prime is 2558759953. The next prime is 2558759971. The reversal of 2558759954 is 4599578552.

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., 2000146729 + 558613225 = 44723^2 + 23635^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2558759893 and 2558759902.

It is not an unprimeable number, because it can be changed into a prime (2558759953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639689987 + ... + 639689990.

Almost surely, 2^2558759954 is an apocalyptic number.

2558759954 is a deficient number, since it is larger than the sum of its proper divisors (1279379980).

2558759954 is a wasteful number, since it uses less digits than its factorization.

2558759954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279379979.

The product of its digits is 22680000, while the sum is 59.

The square root of 2558759954 is about 50584.1867978522. The cubic root of 2558759954 is about 1367.7598415808.

The spelling of 2558759954 in words is "two billion, five hundred fifty-eight million, seven hundred fifty-nine thousand, nine hundred fifty-four".