2642054949 has 32 divisors (see below), whose sum is σ = 4278113280. Its totient is φ = 1604275200.

The previous prime is 2642054927. The next prime is 2642054951. The reversal of 2642054949 is 9494502462.

2642054949 is a `hidden beast` number, since 2 + 64 + 2 + 0 + 549 + 49 = 666.

It is not a de Polignac number, because 2642054949 - 2⁵ = 2642054917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642054969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78612 + ... + 107069.

It is an arithmetic number, because the mean of its divisors is an integer number (133691040).

Almost surely, 2^2642054949 is an apocalyptic number.

It is an amenable number.

2642054949 is a deficient number, since it is larger than the sum of its proper divisors (1636058331).

2642054949 is a wasteful number, since it uses less digits than its factorization.

2642054949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185738 (or 185732 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 2642054949 is about 51400.9236201063. The cubic root of 2642054949 is about 1382.4431531834.

The spelling of 2642054949 in words is "two billion, six hundred forty-two million, fifty-four thousand, nine hundred forty-nine".