2742145541 has 2 divisors, whose sum is σ = 2742145542. Its totient is φ = 2742145540.

The previous prime is 2742145499. The next prime is 2742145573. The reversal of 2742145541 is 1455412472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2279680516 + 462465025 = 47746^2 + 21505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2742145541 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742144541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371072770 + 1371072771.

It is an arithmetic number, because the mean of its divisors is an integer number (1371072771).

Almost surely, 2^2742145541 is an apocalyptic number.

It is an amenable number.

2742145541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742145541 is an equidigital number, since it uses as much as digits as its factorization.

2742145541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 35.

The square root of 2742145541 is about 52365.4995297476. The cubic root of 2742145541 is about 1399.6845447417.

The spelling of 2742145541 in words is "two billion, seven hundred forty-two million, one hundred forty-five thousand, five hundred forty-one".