1057458945659 has 4 divisors (see below), whose sum is σ = 1057691512104. Its totient is φ = 1057226379216.

The previous prime is 1057458945649. The next prime is 1057458945661. The reversal of 1057458945659 is 9565498547501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057458945659 is a prime.

It is a super-2 number, since 2×1057458945659² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057458945649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116276402 + ... + 116285495.

It is an arithmetic number, because the mean of its divisors is an integer number (264422878026).

Almost surely, 2^{1057458945659} is an apocalyptic number.

1057458945659 is a deficient number, since it is larger than the sum of its proper divisors (232566445).

1057458945659 is an equidigital number, since it uses as much as digits as its factorization.

1057458945659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232566444.

The product of its (nonzero) digits is 272160000, while the sum is 68.

The spelling of 1057458945659 in words is "one trillion, fifty-seven billion, four hundred fifty-eight million, nine hundred forty-five thousand, six hundred fifty-nine".