1673611697 has 2 divisors, whose sum is σ = 1673611698. Its totient is φ = 1673611696.

The previous prime is 1673611633. The next prime is 1673611703. The reversal of 1673611697 is 7961163761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1078202896 + 595408801 = 32836^2 + 24401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673611697 - 2⁶ = 1673611633 is a prime.

It is a super-2 number, since 2×1673611697² = 5601952224670439618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1673611607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836805848 + 836805849.

It is an arithmetic number, because the mean of its divisors is an integer number (836805849).

Almost surely, 2^1673611697 is an apocalyptic number.

It is an amenable number.

1673611697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673611697 is an equidigital number, since it uses as much as digits as its factorization.

1673611697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 1673611697 is about 40909.7995228527. The cubic root of 1673611697 is about 1187.2756680874.

The spelling of 1673611697 in words is "one billion, six hundred seventy-three million, six hundred eleven thousand, six hundred ninety-seven".