9799151953 has 2 divisors, whose sum is σ = 9799151954. Its totient is φ = 9799151952.

The previous prime is 9799151911. The next prime is 9799151969. The reversal of 9799151953 is 3591519979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7380184464 + 2418967489 = 85908^2 + 49183^2 .

It is an emirp because it is prime and its reverse (3591519979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9799151953 - 2²¹ = 9797054801 is a prime.

It is not a weakly prime, because it can be changed into another prime (9799151983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4899575976 + 4899575977.

It is an arithmetic number, because the mean of its divisors is an integer number (4899575977).

Almost surely, 2^9799151953 is an apocalyptic number.

It is an amenable number.

9799151953 is a deficient number, since it is larger than the sum of its proper divisors (1).

9799151953 is an equidigital number, since it uses as much as digits as its factorization.

9799151953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3444525, while the sum is 58.

The square root of 9799151953 is about 98990.6659892740. The cubic root of 9799151953 is about 2139.9132314806.

The spelling of 9799151953 in words is "nine billion, seven hundred ninety-nine million, one hundred fifty-one thousand, nine hundred fifty-three".