1670692913 has 2 divisors, whose sum is σ = 1670692914. Its totient is φ = 1670692912.

The previous prime is 1670692843. The next prime is 1670692939. The reversal of 1670692913 is 3192960761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092434704 + 578258209 = 33052^2 + 24047^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670692913 - 2¹⁶ = 1670627377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670692993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835346456 + 835346457.

It is an arithmetic number, because the mean of its divisors is an integer number (835346457).

Almost surely, 2^1670692913 is an apocalyptic number.

It is an amenable number.

1670692913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670692913 is an equidigital number, since it uses as much as digits as its factorization.

1670692913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1670692913 is about 40874.1105468975. The cubic root of 1670692913 is about 1186.5850623073.

The spelling of 1670692913 in words is "one billion, six hundred seventy million, six hundred ninety-two thousand, nine hundred thirteen".