5185415949 has 16 divisors (see below), whose sum is σ = 8115143808. Its totient is φ = 2883010752.

The previous prime is 5185415933. The next prime is 5185415957. The reversal of 5185415949 is 9495145815.

It is not a de Polignac number, because 5185415949 - 2⁴ = 5185415933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185415929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336042 + ... + 3337595.

It is an arithmetic number, because the mean of its divisors is an integer number (507196488).

Almost surely, 2^5185415949 is an apocalyptic number.

It is an amenable number.

5185415949 is a deficient number, since it is larger than the sum of its proper divisors (2929727859).

5185415949 is a wasteful number, since it uses less digits than its factorization.

5185415949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673684.

The product of its digits is 1296000, while the sum is 51.

The square root of 5185415949 is about 72009.8323078175. The cubic root of 5185415949 is about 1730.8570434688.

The spelling of 5185415949 in words is "five billion, one hundred eighty-five million, four hundred fifteen thousand, nine hundred forty-nine".