690001100273 has 2 divisors, whose sum is σ = 690001100274. Its totient is φ = 690001100272.

The previous prime is 690001100083. The next prime is 690001100287. The reversal of 690001100273 is 372001100096.

690001100273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648567683569 + 41433416704 = 805337^2 + 203552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690001100273 is a prime.

It is a super-2 number, since 2×690001100273² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (690001120273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345000550136 + 345000550137.

It is an arithmetic number, because the mean of its divisors is an integer number (345000550137).

Almost surely, 2^690001100273 is an apocalyptic number.

It is an amenable number.

690001100273 is a deficient number, since it is larger than the sum of its proper divisors (1).

690001100273 is an equidigital number, since it uses as much as digits as its factorization.

690001100273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 690001100273 in words is "six hundred ninety billion, one million, one hundred thousand, two hundred seventy-three".