798770849749 has 2 divisors, whose sum is σ = 798770849750. Its totient is φ = 798770849748.

The previous prime is 798770849711. The next prime is 798770849753. The reversal of 798770849749 is 947948077897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400792818724 + 397978031025 = 633082^2 + 630855^2 .

It is a cyclic number.

It is not a de Polignac number, because 798770849749 - 2³³ = 790180915157 is a prime.

It is a super-3 number, since 3×798770849749³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798770849759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399385424874 + 399385424875.

It is an arithmetic number, because the mean of its divisors is an integer number (399385424875).

Almost surely, 2^798770849749 is an apocalyptic number.

It is an amenable number.

798770849749 is a deficient number, since it is larger than the sum of its proper divisors (1).

798770849749 is an equidigital number, since it uses as much as digits as its factorization.

798770849749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792336896, while the sum is 79.

The spelling of 798770849749 in words is "seven hundred ninety-eight billion, seven hundred seventy million, eight hundred forty-nine thousand, seven hundred forty-nine".