2730520149 has 12 divisors (see below), whose sum is σ = 4235092704. Its totient is φ = 1560297144.

The previous prime is 2730520073. The next prime is 2730520171. The reversal of 2730520149 is 9410250372.

It is not a de Polignac number, because 2730520149 - 2⁸ = 2730519893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730520249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9287337 + ... + 9287630.

It is an arithmetic number, because the mean of its divisors is an integer number (352924392).

Almost surely, 2^2730520149 is an apocalyptic number.

It is an amenable number.

2730520149 is a deficient number, since it is larger than the sum of its proper divisors (1504572555).

2730520149 is a wasteful number, since it uses less digits than its factorization.

2730520149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18574984 (or 18574977 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2730520149 is about 52254.3792327495. The cubic root of 2730520149 is about 1397.7037441131.

The spelling of 2730520149 in words is "two billion, seven hundred thirty million, five hundred twenty thousand, one hundred forty-nine".