673490101 has 2 divisors, whose sum is σ = 673490102. Its totient is φ = 673490100.

The previous prime is 673490063. The next prime is 673490107. The reversal of 673490101 is 101094376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470456100 + 203034001 = 21690^2 + 14249^2 .

It is a cyclic number.

It is not a de Polignac number, because 673490101 - 2¹⁵ = 673457333 is a prime.

It is a super-2 number, since 2×673490101² = 907177832289980402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673490107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336745050 + 336745051.

It is an arithmetic number, because the mean of its divisors is an integer number (336745051).

Almost surely, 2^673490101 is an apocalyptic number.

It is an amenable number.

673490101 is a deficient number, since it is larger than the sum of its proper divisors (1).

673490101 is an equidigital number, since it uses as much as digits as its factorization.

673490101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 673490101 is about 25951.6878256502. The cubic root of 673490101 is about 876.5507633176.

The spelling of 673490101 in words is "six hundred seventy-three million, four hundred ninety thousand, one hundred one".