2542147811 has 8 divisors (see below), whose sum is σ = 2905858560. Its totient is φ = 2178573768.

The previous prime is 2542147799. The next prime is 2542147823. The reversal of 2542147811 is 1187412452.

It is an interprime number because it is at equal distance from previous prime (2542147799) and next prime (2542147823).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2542147811 - 2³⁰ = 1468405987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542147871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9380 + ... + 71918.

It is an arithmetic number, because the mean of its divisors is an integer number (363232320).

Almost surely, 2^2542147811 is an apocalyptic number.

2542147811 is a deficient number, since it is larger than the sum of its proper divisors (363710749).

2542147811 is an equidigital number, since it uses as much as digits as its factorization.

2542147811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68353.

The product of its digits is 17920, while the sum is 35.

The square root of 2542147811 is about 50419.7164906746. The cubic root of 2542147811 is about 1364.7934605003.

The spelling of 2542147811 in words is "two billion, five hundred forty-two million, one hundred forty-seven thousand, eight hundred eleven".