2151038783 has 2 divisors, whose sum is σ = 2151038784. Its totient is φ = 2151038782.

The previous prime is 2151038777. The next prime is 2151038807. The reversal of 2151038783 is 3878301512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151038783 - 2²⁴ = 2134261567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151038723) 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, 1075519391 + 1075519392.

It is an arithmetic number, because the mean of its divisors is an integer number (1075519392).

Almost surely, 2^2151038783 is an apocalyptic number.

2151038783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151038783 is an equidigital number, since it uses as much as digits as its factorization.

2151038783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2151038783 is about 46379.2926099569. The cubic root of 2151038783 is about 1290.8707105643.

The spelling of 2151038783 in words is "two billion, one hundred fifty-one million, thirty-eight thousand, seven hundred eighty-three".