39680051 has 2 divisors, whose sum is σ = 39680052. Its totient is φ = 39680050.

The previous prime is 39680009. The next prime is 39680077. The reversal of 39680051 is 15008693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39680051 - 2¹⁰ = 39679027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (39680351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19840025 + 19840026.

It is an arithmetic number, because the mean of its divisors is an integer number (19840026).

Almost surely, 2^39680051 is an apocalyptic number.

39680051 is a deficient number, since it is larger than the sum of its proper divisors (1).

39680051 is an equidigital number, since it uses as much as digits as its factorization.

39680051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 39680051 is about 6299.2103473372. The cubic root of 39680051 is about 341.0809054596.

The spelling of 39680051 in words is "thirty-nine million, six hundred eighty thousand, fifty-one".