4097614921 has 2 divisors, whose sum is σ = 4097614922. Its totient is φ = 4097614920.

The previous prime is 4097614919. The next prime is 4097614931. The reversal of 4097614921 is 1294167904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3870208521 + 227406400 = 62211^2 + 15080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4097614921 - 2¹ = 4097614919 is a prime.

Together with 4097614919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4097614931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048807460 + 2048807461.

It is an arithmetic number, because the mean of its divisors is an integer number (2048807461).

Almost surely, 2^4097614921 is an apocalyptic number.

It is an amenable number.

4097614921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097614921 is an equidigital number, since it uses as much as digits as its factorization.

4097614921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 4097614921 is about 64012.6153269807. The cubic root of 4097614921 is about 1600.2102485429.

The spelling of 4097614921 in words is "four billion, ninety-seven million, six hundred fourteen thousand, nine hundred twenty-one".