938402051 has 2 divisors, whose sum is σ = 938402052. Its totient is φ = 938402050.

The previous prime is 938401999. The next prime is 938402081. The reversal of 938402051 is 150204839.

It is a strong prime.

It is an emirp because it is prime and its reverse (150204839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938402051 - 2⁶ = 938401987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 938401999 and 938402017.

It is not a weakly prime, because it can be changed into another prime (938402081) 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, 469201025 + 469201026.

It is an arithmetic number, because the mean of its divisors is an integer number (469201026).

Almost surely, 2^938402051 is an apocalyptic number.

938402051 is a deficient number, since it is larger than the sum of its proper divisors (1).

938402051 is an equidigital number, since it uses as much as digits as its factorization.

938402051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 938402051 is about 30633.3486742798. The cubic root of 938402051 is about 979.0307128032.

The spelling of 938402051 in words is "nine hundred thirty-eight million, four hundred two thousand, fifty-one".