2512449819 has 40 divisors (see below), whose sum is σ = 4309884480. Its totient is φ = 1442545200.

The previous prime is 2512449803. The next prime is 2512449859. The reversal of 2512449819 is 9189442152.

It is a happy number.

2512449819 is a `hidden beast` number, since 2 + 512 + 44 + 98 + 1 + 9 = 666.

It is not a de Polignac number, because 2512449819 - 2⁴ = 2512449803 is a prime.

It is a super-2 number, since 2×2512449819² = 12624808185986265522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2512449859) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57277 + ... + 91134.

It is an arithmetic number, because the mean of its divisors is an integer number (107747112).

Almost surely, 2^2512449819 is an apocalyptic number.

2512449819 is a deficient number, since it is larger than the sum of its proper divisors (1797434661).

2512449819 is a wasteful number, since it uses less digits than its factorization.

2512449819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148453 (or 148444 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 2512449819 is about 50124.3435767492. The cubic root of 2512449819 is about 1359.4580126619.

The spelling of 2512449819 in words is "two billion, five hundred twelve million, four hundred forty-nine thousand, eight hundred nineteen".