2654201669 has 6 divisors (see below), whose sum is σ = 3087540774. Its totient is φ = 2275029960.

The previous prime is 2654201663. The next prime is 2654201773. The reversal of 2654201669 is 9661024562.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2001399169 + 652802500 = 44737^2 + 25550^2 .

It is not a de Polignac number, because 2654201669 - 2⁸ = 2654201413 is a prime.

It is a super-2 number, since 2×2654201669² = 14089572999444771122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654201663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27083642 + ... + 27083739.

It is an arithmetic number, because the mean of its divisors is an integer number (514590129).

Almost surely, 2^2654201669 is an apocalyptic number.

It is an amenable number.

2654201669 is a deficient number, since it is larger than the sum of its proper divisors (433339105).

2654201669 is an equidigital number, since it uses as much as digits as its factorization.

2654201669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54167395 (or 54167388 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2654201669 is about 51518.9447582149. The cubic root of 2654201669 is about 1384.5584866452.

The spelling of 2654201669 in words is "two billion, six hundred fifty-four million, two hundred one thousand, six hundred sixty-nine".