2674761878749 has 2 divisors, whose sum is σ = 2674761878750. Its totient is φ = 2674761878748.

The previous prime is 2674761878743. The next prime is 2674761878759. The reversal of 2674761878749 is 9478781674762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1623815004100 + 1050946874649 = 1274290^2 + 1025157^2 .

It is a cyclic number.

It is not a de Polignac number, because 2674761878749 - 2³ = 2674761878741 is a prime.

It is a super-2 number, since 2×2674761878749² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2674761878741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1337380939374 + 1337380939375.

It is an arithmetic number, because the mean of its divisors is an integer number (1337380939375).

Almost surely, 2^{2674761878749} is an apocalyptic number.

It is an amenable number.

2674761878749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2674761878749 is an equidigital number, since it uses as much as digits as its factorization.

2674761878749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1593188352, while the sum is 76.

It can be divided in two parts, 267476 and 1878749, that added together give a square (2146225 = 1465²).

The spelling of 2674761878749 in words is "two trillion, six hundred seventy-four billion, seven hundred sixty-one million, eight hundred seventy-eight thousand, seven hundred forty-nine".