2690625489 has 8 divisors (see below), whose sum is σ = 3590250720. Its totient is φ = 1792375296.

The previous prime is 2690625467. The next prime is 2690625493. The reversal of 2690625489 is 9845260962.

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

It is not a de Polignac number, because 2690625489 - 2⁸ = 2690625233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2690625419) 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, 339184 + ... + 347025.

It is an arithmetic number, because the mean of its divisors is an integer number (448781340).

Almost surely, 2^2690625489 is an apocalyptic number.

It is an amenable number.

2690625489 is a deficient number, since it is larger than the sum of its proper divisors (899625231).

2690625489 is a wasteful number, since it uses less digits than its factorization.

2690625489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687519.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 2690625489 is about 51871.2395167110. The cubic root of 2690625489 is about 1390.8632025968.

The spelling of 2690625489 in words is "two billion, six hundred ninety million, six hundred twenty-five thousand, four hundred eighty-nine".