2749997479 has 2 divisors, whose sum is σ = 2749997480. Its totient is φ = 2749997478.

The previous prime is 2749997443. The next prime is 2749997519. The reversal of 2749997479 is 9747999472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2749997479 - 2¹³ = 2749989287 is a prime.

It is a super-2 number, since 2×2749997479² = 15124972269012710882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2749997429) 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, 1374998739 + 1374998740.

It is an arithmetic number, because the mean of its divisors is an integer number (1374998740).

Almost surely, 2^2749997479 is an apocalyptic number.

2749997479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749997479 is an equidigital number, since it uses as much as digits as its factorization.

2749997479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72013536, while the sum is 67.

The square root of 2749997479 is about 52440.4183717102. The cubic root of 2749997479 is about 1401.0192372099.

The spelling of 2749997479 in words is "two billion, seven hundred forty-nine million, nine hundred ninety-seven thousand, four hundred seventy-nine".