2471742349 has 2 divisors, whose sum is σ = 2471742350. Its totient is φ = 2471742348.

The previous prime is 2471742337. The next prime is 2471742367. The reversal of 2471742349 is 9432471742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2357102500 + 114639849 = 48550^2 + 10707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471742349 is a prime.

It is a super-2 number, since 2×2471742349² = 12219020479680075602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471742379) 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, 1235871174 + 1235871175.

It is an arithmetic number, because the mean of its divisors is an integer number (1235871175).

Almost surely, 2^2471742349 is an apocalyptic number.

It is an amenable number.

2471742349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471742349 is an equidigital number, since it uses as much as digits as its factorization.

2471742349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 2471742349 is about 49716.6204503082. The cubic root of 2471742349 is about 1352.0758824761.

The spelling of 2471742349 in words is "two billion, four hundred seventy-one million, seven hundred forty-two thousand, three hundred forty-nine".