4921297549 has 16 divisors (see below), whose sum is σ = 5728026240. Its totient is φ = 4140768960.

The previous prime is 4921297531. The next prime is 4921297561. The reversal of 4921297549 is 9457921294.

It is a cyclic number.

It is not a de Polignac number, because 4921297549 - 2¹¹ = 4921295501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4921297496 and 4921297505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921297529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206022 + ... + 228664.

It is an arithmetic number, because the mean of its divisors is an integer number (358001640).

Almost surely, 2^4921297549 is an apocalyptic number.

It is an amenable number.

4921297549 is a deficient number, since it is larger than the sum of its proper divisors (806728691).

4921297549 is a wasteful number, since it uses less digits than its factorization.

4921297549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220.

The product of its digits is 1632960, while the sum is 52.

The square root of 4921297549 is about 70151.9604073899. The cubic root of 4921297549 is about 1700.9565031308.

The spelling of 4921297549 in words is "four billion, nine hundred twenty-one million, two hundred ninety-seven thousand, five hundred forty-nine".