2649459494 has 8 divisors (see below), whose sum is σ = 4335479208. Its totient is φ = 1204299760.

The previous prime is 2649459479. The next prime is 2649459497. The reversal of 2649459494 is 4949549462.

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

It is a super-2 number, since 2×2649459494² = 14039271220693472072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649459497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60214967 + ... + 60215010.

It is an arithmetic number, because the mean of its divisors is an integer number (541934901).

Almost surely, 2^2649459494 is an apocalyptic number.

2649459494 is a deficient number, since it is larger than the sum of its proper divisors (1686019714).

2649459494 is a wasteful number, since it uses less digits than its factorization.

2649459494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120429990.

The product of its digits is 11197440, while the sum is 56.

The square root of 2649459494 is about 51472.9005788483. The cubic root of 2649459494 is about 1383.7334133391.

The spelling of 2649459494 in words is "two billion, six hundred forty-nine million, four hundred fifty-nine thousand, four hundred ninety-four".