2450696021 has 2 divisors, whose sum is σ = 2450696022. Its totient is φ = 2450696020.

The previous prime is 2450696009. The next prime is 2450696071. The reversal of 2450696021 is 1206960542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2385247921 + 65448100 = 48839^2 + 8090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2450696021 - 2³⁰ = 1376954197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2450696071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225348010 + 1225348011.

It is an arithmetic number, because the mean of its divisors is an integer number (1225348011).

Almost surely, 2^2450696021 is an apocalyptic number.

It is an amenable number.

2450696021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2450696021 is an equidigital number, since it uses as much as digits as its factorization.

2450696021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2450696021 is about 49504.5050576208. The cubic root of 2450696021 is about 1348.2273984451.

The spelling of 2450696021 in words is "two billion, four hundred fifty million, six hundred ninety-six thousand, twenty-one".