4998531697 has 4 divisors (see below), whose sum is σ = 5003777700. Its totient is φ = 4993285696.

The previous prime is 4998531691. The next prime is 4998531809. The reversal of 4998531697 is 7961358994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7961358994 = 2 ⋅3980679497.

It can be written as a sum of positive squares in 2 ways, for example, as 1230536241 + 3767995456 = 35079^2 + 61384^2 .

It is a cyclic number.

It is not a de Polignac number, because 4998531697 - 2²⁷ = 4864313969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4998531691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621572 + ... + 2623477.

It is an arithmetic number, because the mean of its divisors is an integer number (1250944425).

Almost surely, 2^4998531697 is an apocalyptic number.

It is an amenable number.

4998531697 is a deficient number, since it is larger than the sum of its proper divisors (5246003).

4998531697 is an equidigital number, since it uses as much as digits as its factorization.

4998531697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246002.

The product of its digits is 14696640, while the sum is 61.

The square root of 4998531697 is about 70700.2948862308. The cubic root of 4998531697 is about 1709.8085461018.

The spelling of 4998531697 in words is "four billion, nine hundred ninety-eight million, five hundred thirty-one thousand, six hundred ninety-seven".