2077039887749 has 2 divisors, whose sum is σ = 2077039887750. Its totient is φ = 2077039887748.

The previous prime is 2077039887701. The next prime is 2077039887773. The reversal of 2077039887749 is 9477889307702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1909390585249 + 167649302500 = 1381807^2 + 409450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2077039887749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2077039887649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038519943874 + 1038519943875.

It is an arithmetic number, because the mean of its divisors is an integer number (1038519943875).

Almost surely, 2^{2077039887749} is an apocalyptic number.

It is an amenable number.

2077039887749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077039887749 is an equidigital number, since it uses as much as digits as its factorization.

2077039887749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 298722816, while the sum is 71.

The spelling of 2077039887749 in words is "two trillion, seventy-seven billion, thirty-nine million, eight hundred eighty-seven thousand, seven hundred forty-nine".