4992881797 has 2 divisors, whose sum is σ = 4992881798. Its totient is φ = 4992881796.

The previous prime is 4992881783. The next prime is 4992881867. The reversal of 4992881797 is 7971882994.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4899160036 + 93721761 = 69994^2 + 9681^2 .

It is a cyclic number.

It is not a de Polignac number, because 4992881797 - 2¹⁹ = 4992357509 is a prime.

It is a super-3 number, since 3×4992881797³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4992881197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496440898 + 2496440899.

It is an arithmetic number, because the mean of its divisors is an integer number (2496440899).

Almost surely, 2^4992881797 is an apocalyptic number.

It is an amenable number.

4992881797 is a deficient number, since it is larger than the sum of its proper divisors (1).

4992881797 is an equidigital number, since it uses as much as digits as its factorization.

4992881797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 64.

The square root of 4992881797 is about 70660.3268956492. The cubic root of 4992881797 is about 1709.1640975667.

The spelling of 4992881797 in words is "four billion, nine hundred ninety-two million, eight hundred eighty-one thousand, seven hundred ninety-seven".