4652497149821 has 2 divisors, whose sum is σ = 4652497149822. Its totient is φ = 4652497149820.

The previous prime is 4652497149803. The next prime is 4652497149869. The reversal of 4652497149821 is 1289417942564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4494082005625 + 158415144196 = 2119925^2 + 398014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4652497149821 - 2⁶ = 4652497149757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4652497149221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2326248574910 + 2326248574911.

It is an arithmetic number, because the mean of its divisors is an integer number (2326248574911).

Almost surely, 2^{4652497149821} is an apocalyptic number.

It is an amenable number.

4652497149821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4652497149821 is an equidigital number, since it uses as much as digits as its factorization.

4652497149821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The spelling of 4652497149821 in words is "four trillion, six hundred fifty-two billion, four hundred ninety-seven million, one hundred forty-nine thousand, eight hundred twenty-one".