2047537819 has 2 divisors, whose sum is σ = 2047537820. Its totient is φ = 2047537818.

The previous prime is 2047537757. The next prime is 2047537823. The reversal of 2047537819 is 9187357402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2047537819 is a prime.

It is a super-2 number, since 2×2047537819² = 8384822240470553522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2047531819) by changing a digit.

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, 1023768909 + 1023768910.

It is an arithmetic number, because the mean of its divisors is an integer number (1023768910).

Almost surely, 2^2047537819 is an apocalyptic number.

2047537819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047537819 is an equidigital number, since it uses as much as digits as its factorization.

2047537819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 2047537819 is about 45249.7272809461. The cubic root of 2047537819 is about 1269.8253048815.

The spelling of 2047537819 in words is "two billion, forty-seven million, five hundred thirty-seven thousand, eight hundred nineteen".