2030190857 has 2 divisors, whose sum is σ = 2030190858. Its totient is φ = 2030190856.

The previous prime is 2030190853. The next prime is 2030190871. The reversal of 2030190857 is 7580910302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038192841 + 991998016 = 32221^2 + 31496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030190857 - 2² = 2030190853 is a prime.

It is not a weakly prime, because it can be changed into another prime (2030190853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015095428 + 1015095429.

It is an arithmetic number, because the mean of its divisors is an integer number (1015095429).

Almost surely, 2^2030190857 is an apocalyptic number.

It is an amenable number.

2030190857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030190857 is an equidigital number, since it uses as much as digits as its factorization.

2030190857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 2030190857 is about 45057.6392746003. The cubic root of 2030190857 is about 1266.2290973897.

The spelling of 2030190857 in words is "two billion, thirty million, one hundred ninety thousand, eight hundred fifty-seven".