4900911997 has 18 divisors (see below), whose sum is σ = 5354775662. Its totient is φ = 4481328384.

The previous prime is 4900911989. The next prime is 4900912069. The reversal of 4900911997 is 7991190094.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 2711701476 + 2189210521 = 52074^2 + 46789^2 .

It is not a de Polignac number, because 4900911997 - 2³ = 4900911989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4900911997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4900911937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7238823 + ... + 7239499.

Almost surely, 2^4900911997 is an apocalyptic number.

It is an amenable number.

4900911997 is a deficient number, since it is larger than the sum of its proper divisors (453863665).

4900911997 is an frugal number, since it uses more digits than its factorization.

4900911997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 49.

The square root of 4900911997 is about 70006.5139612022. The cubic root of 4900911997 is about 1698.6046216384.

The spelling of 4900911997 in words is "four billion, nine hundred million, nine hundred eleven thousand, nine hundred ninety-seven".