34377747749 has 2 divisors, whose sum is σ = 34377747750. Its totient is φ = 34377747748.

The previous prime is 34377747743. The next prime is 34377747751. The reversal of 34377747749 is 94774777343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24979802500 + 9397945249 = 158050^2 + 96943^2 .

It is a cyclic number.

It is not a de Polignac number, because 34377747749 - 2⁸ = 34377747493 is a prime.

Together with 34377747751, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 34377747691 and 34377747700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34377747743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17188873874 + 17188873875.

It is an arithmetic number, because the mean of its divisors is an integer number (17188873875).

Almost surely, 2^34377747749 is an apocalyptic number.

It is an amenable number.

34377747749 is a deficient number, since it is larger than the sum of its proper divisors (1).

34377747749 is an equidigital number, since it uses as much as digits as its factorization.

34377747749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87127488, while the sum is 62.

The spelling of 34377747749 in words is "thirty-four billion, three hundred seventy-seven million, seven hundred forty-seven thousand, seven hundred forty-nine".