1457461849 has 2 divisors, whose sum is σ = 1457461850. Its totient is φ = 1457461848.

The previous prime is 1457461793. The next prime is 1457461879. The reversal of 1457461849 is 9481647541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866242624 + 591219225 = 29432^2 + 24315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457461849 - 2⁷ = 1457461721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1457461879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728730924 + 728730925.

It is an arithmetic number, because the mean of its divisors is an integer number (728730925).

Almost surely, 2^1457461849 is an apocalyptic number.

It is an amenable number.

1457461849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457461849 is an equidigital number, since it uses as much as digits as its factorization.

1457461849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 1457461849 is about 38176.7186777491. The cubic root of 1457461849 is about 1133.7894158497.

The spelling of 1457461849 in words is "one billion, four hundred fifty-seven million, four hundred sixty-one thousand, eight hundred forty-nine".