2068540949 has 8 divisors (see below), whose sum is σ = 2167083072. Its totient is φ = 1970716000.

The previous prime is 2068540939. The next prime is 2068540951. The reversal of 2068540949 is 9490458602.

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 2068540949 - 2²⁴ = 2051763733 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 (2068540919) 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, 173384 + ... + 184929.

It is an arithmetic number, because the mean of its divisors is an integer number (270885384).

Almost surely, 2^2068540949 is an apocalyptic number.

It is an amenable number.

2068540949 is a deficient number, since it is larger than the sum of its proper divisors (98542123).

2068540949 is a wasteful number, since it uses less digits than its factorization.

2068540949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358587.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 2068540949 is about 45481.2153421608. The cubic root of 2068540949 is about 1274.1523929945.

The spelling of 2068540949 in words is "two billion, sixty-eight million, five hundred forty thousand, nine hundred forty-nine".