7794072351749 has 2 divisors, whose sum is σ = 7794072351750. Its totient is φ = 7794072351748.

The previous prime is 7794072351727. The next prime is 7794072351763. The reversal of 7794072351749 is 9471532704977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5462419701124 + 2331652650625 = 2337182^2 + 1526975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7794072351749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7794072351799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3897036175874 + 3897036175875.

It is an arithmetic number, because the mean of its divisors is an integer number (3897036175875).

Almost surely, 2^{7794072351749} is an apocalyptic number.

It is an amenable number.

7794072351749 is a deficient number, since it is larger than the sum of its proper divisors (1).

7794072351749 is an equidigital number, since it uses as much as digits as its factorization.

7794072351749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93350880, while the sum is 65.

The spelling of 7794072351749 in words is "seven trillion, seven hundred ninety-four billion, seventy-two million, three hundred fifty-one thousand, seven hundred forty-nine".