1670957059 has 2 divisors, whose sum is σ = 1670957060. Its totient is φ = 1670957058.

The previous prime is 1670957051. The next prime is 1670957069. The reversal of 1670957059 is 9507590761.

It is a weak prime.

It is an emirp because it is prime and its reverse (9507590761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1670957059 - 2³ = 1670957051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670957051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835478529 + 835478530.

It is an arithmetic number, because the mean of its divisors is an integer number (835478530).

Almost surely, 2^1670957059 is an apocalyptic number.

1670957059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670957059 is an equidigital number, since it uses as much as digits as its factorization.

1670957059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 49.

The square root of 1670957059 is about 40877.3416332325. The cubic root of 1670957059 is about 1186.6475942820.

The spelling of 1670957059 in words is "one billion, six hundred seventy million, nine hundred fifty-seven thousand, fifty-nine".