2147500049 has 2 divisors, whose sum is σ = 2147500050. Its totient is φ = 2147500048.

The previous prime is 2147500007. The next prime is 2147500063. The reversal of 2147500049 is 9400057412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1903140625 + 244359424 = 43625^2 + 15632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2147500049 is a prime.

It is a super-2 number, since 2×2147500049² = 9223512920910004802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2147499988 and 2147500024.

It is not a weakly prime, because it can be changed into another prime (2147503049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073750024 + 1073750025.

It is an arithmetic number, because the mean of its divisors is an integer number (1073750025).

Almost surely, 2^2147500049 is an apocalyptic number.

It is an amenable number.

2147500049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147500049 is an equidigital number, since it uses as much as digits as its factorization.

2147500049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2147500049 is about 46341.1269716221. The cubic root of 2147500049 is about 1290.1624395328.

The spelling of 2147500049 in words is "two billion, one hundred forty-seven million, five hundred thousand, forty-nine".