2591454742 has 4 divisors (see below), whose sum is σ = 3887182116. Its totient is φ = 1295727370.

The previous prime is 2591454737. The next prime is 2591454751. The reversal of 2591454742 is 2474541952.

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

It is a super-3 number, since 3×2591454742³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647863684 + ... + 647863687.

It is an arithmetic number, because the mean of its divisors is an integer number (971795529).

Almost surely, 2^2591454742 is an apocalyptic number.

2591454742 is a deficient number, since it is larger than the sum of its proper divisors (1295727374).

2591454742 is a wasteful number, since it uses less digits than its factorization.

2591454742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295727373.

The product of its digits is 403200, while the sum is 43.

The square root of 2591454742 is about 50906.3330244872. Note that the first 3 decimals coincide. The cubic root of 2591454742 is about 1373.5607626118.

It can be divided in two parts, 25914 and 54742, that added together give a square (80656 = 284²).

The spelling of 2591454742 in words is "two billion, five hundred ninety-one million, four hundred fifty-four thousand, seven hundred forty-two".