4050621401 has 2 divisors, whose sum is σ = 4050621402. Its totient is φ = 4050621400.

The previous prime is 4050621397. The next prime is 4050621403. The reversal of 4050621401 is 1041260504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2948381401 + 1102240000 = 54299^2 + 33200^2 .

It is a cyclic number.

It is not a de Polignac number, because 4050621401 - 2² = 4050621397 is a prime.

Together with 4050621403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4050621403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025310700 + 2025310701.

It is an arithmetic number, because the mean of its divisors is an integer number (2025310701).

Almost surely, 2^4050621401 is an apocalyptic number.

It is an amenable number.

4050621401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4050621401 is an equidigital number, since it uses as much as digits as its factorization.

4050621401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4050621401 is about 63644.4923068760. The cubic root of 4050621401 is about 1594.0693727033.

Adding to 4050621401 its reverse (1041260504), we get a palindrome (5091881905).

The spelling of 4050621401 in words is "four billion, fifty million, six hundred twenty-one thousand, four hundred one".