2690206671 has 8 divisors (see below), whose sum is σ = 3632346880. Its totient is φ = 1770768792.

The previous prime is 2690206643. The next prime is 2690206697. The reversal of 2690206671 is 1766020962.

2690206671 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2690206671 - 2⁵ = 2690206639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690206601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5675305 + ... + 5675778.

It is an arithmetic number, because the mean of its divisors is an integer number (454043360).

Almost surely, 2^2690206671 is an apocalyptic number.

2690206671 is a deficient number, since it is larger than the sum of its proper divisors (942140209).

2690206671 is a wasteful number, since it uses less digits than its factorization.

2690206671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351165.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2690206671 is about 51867.2022669432. The cubic root of 2690206671 is about 1390.7910324175.

The spelling of 2690206671 in words is "two billion, six hundred ninety million, two hundred six thousand, six hundred seventy-one".