4997098981 has 8 divisors (see below), whose sum is σ = 5722605504. Its totient is φ = 4274501280.

The previous prime is 4997098969. The next prime is 4997099039. The reversal of 4997098981 is 1898907994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4997098981 - 2²⁷ = 4862881253 is a prime.

It is a super-2 number, since 2×4997098981² = 49941996451822476722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997098921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723520 + ... + 730393.

It is an arithmetic number, because the mean of its divisors is an integer number (715325688).

Almost surely, 2^4997098981 is an apocalyptic number.

It is an amenable number.

4997098981 is a deficient number, since it is larger than the sum of its proper divisors (725506523).

4997098981 is a wasteful number, since it uses less digits than its factorization.

4997098981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454411.

The product of its (nonzero) digits is 11757312, while the sum is 64.

The square root of 4997098981 is about 70690.1618402448. The cubic root of 4997098981 is about 1709.6451711820.

The spelling of 4997098981 in words is "four billion, nine hundred ninety-seven million, ninety-eight thousand, nine hundred eighty-one".