2051623747 has 2 divisors, whose sum is σ = 2051623748. Its totient is φ = 2051623746.

The previous prime is 2051623711. The next prime is 2051623789. The reversal of 2051623747 is 7473261502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051623747 - 2¹¹ = 2051621699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051624747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025811873 + 1025811874.

It is an arithmetic number, because the mean of its divisors is an integer number (1025811874).

Almost surely, 2^2051623747 is an apocalyptic number.

2051623747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051623747 is an equidigital number, since it uses as much as digits as its factorization.

2051623747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2051623747 is about 45294.8534272935. The cubic root of 2051623747 is about 1270.6694028228.

The spelling of 2051623747 in words is "two billion, fifty-one million, six hundred twenty-three thousand, seven hundred forty-seven".