2690005369 has 2 divisors, whose sum is σ = 2690005370. Its totient is φ = 2690005368.

The previous prime is 2690005361. The next prime is 2690005391. The reversal of 2690005369 is 9635000962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1790305344 + 899700025 = 42312^2 + 29995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690005369 - 2³ = 2690005361 is a prime.

It is a super-2 number, since 2×2690005369² = 14472257770497652322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2690005361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345002684 + 1345002685.

It is an arithmetic number, because the mean of its divisors is an integer number (1345002685).

Almost surely, 2^2690005369 is an apocalyptic number.

It is an amenable number.

2690005369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690005369 is an equidigital number, since it uses as much as digits as its factorization.

2690005369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 2690005369 is about 51865.2616786997. The cubic root of 2690005369 is about 1390.7563416503.

The spelling of 2690005369 in words is "two billion, six hundred ninety million, five thousand, three hundred sixty-nine".