2141707457 has 2 divisors, whose sum is σ = 2141707458. Its totient is φ = 2141707456.

The previous prime is 2141707427. The next prime is 2141707471. The reversal of 2141707457 is 7547071412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1382649856 + 759057601 = 37184^2 + 27551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141707457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2141707457.

It is not a weakly prime, because it can be changed into another prime (2141707427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070853728 + 1070853729.

It is an arithmetic number, because the mean of its divisors is an integer number (1070853729).

Almost surely, 2^2141707457 is an apocalyptic number.

It is an amenable number.

2141707457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141707457 is an equidigital number, since it uses as much as digits as its factorization.

2141707457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 2141707457 is about 46278.5852960092. The cubic root of 2141707457 is about 1289.0013818649.

Adding to 2141707457 its reverse (7547071412), we get a palindrome (9688778869).

The spelling of 2141707457 in words is "two billion, one hundred forty-one million, seven hundred seven thousand, four hundred fifty-seven".