4072992401 has 2 divisors, whose sum is σ = 4072992402. Its totient is φ = 4072992400.

The previous prime is 4072992383. The next prime is 4072992409. The reversal of 4072992401 is 1042992704.

It is a Cunningham number, because it is equal to 63820²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4072992400 + 1 = 63820^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4072992401 is a prime.

It is not a weakly prime, because it can be changed into another prime (4072992409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036496200 + 2036496201.

It is an arithmetic number, because the mean of its divisors is an integer number (2036496201).

Almost surely, 2^4072992401 is an apocalyptic number.

It is an amenable number.

4072992401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072992401 is an equidigital number, since it uses as much as digits as its factorization.

4072992401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 4072992401 is about 63820.0000078345. Note that the first 5 decimals coincide. The cubic root of 4072992401 is about 1596.9985921200.

The spelling of 4072992401 in words is "four billion, seventy-two million, nine hundred ninety-two thousand, four hundred one".