2492947489 has 8 divisors (see below), whose sum is σ = 2569548960. Its totient is φ = 2417192736.

The previous prime is 2492947481. The next prime is 2492947511. The reversal of 2492947489 is 9847492942.

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

It is a cyclic number.

It is not a de Polignac number, because 2492947489 - 2³ = 2492947481 is a prime.

It is a super-2 number, since 2×2492947489² = 12429574365822810242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492947481) 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, 205699 + ... + 217480.

It is an arithmetic number, because the mean of its divisors is an integer number (321193620).

Almost surely, 2^2492947489 is an apocalyptic number.

It is an amenable number.

2492947489 is a deficient number, since it is larger than the sum of its proper divisors (76601471).

2492947489 is a wasteful number, since it uses less digits than its factorization.

2492947489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423359.

The product of its digits is 10450944, while the sum is 58.

The square root of 2492947489 is about 49929.4250818092. The cubic root of 2492947489 is about 1355.9313756557.

The spelling of 2492947489 in words is "two billion, four hundred ninety-two million, nine hundred forty-seven thousand, four hundred eighty-nine".