2157151783 has 2 divisors, whose sum is σ = 2157151784. Its totient is φ = 2157151782.

The previous prime is 2157151753. The next prime is 2157151813. The reversal of 2157151783 is 3871517512.

It is a balanced prime because it is at equal distance from previous prime (2157151753) and next prime (2157151813).

It is a cyclic number.

It is not a de Polignac number, because 2157151783 - 2⁵ = 2157151751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2157151753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078575891 + 1078575892.

It is an arithmetic number, because the mean of its divisors is an integer number (1078575892).

Almost surely, 2^2157151783 is an apocalyptic number.

2157151783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2157151783 is an equidigital number, since it uses as much as digits as its factorization.

2157151783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 40.

The square root of 2157151783 is about 46445.1481104324. The cubic root of 2157151783 is about 1292.0923884049.

The spelling of 2157151783 in words is "two billion, one hundred fifty-seven million, one hundred fifty-one thousand, seven hundred eighty-three".