46919399949 has 24 divisors (see below), whose sum is σ = 68744692224. Its totient is φ = 30831108000.

The previous prime is 46919399939. The next prime is 46919399981. The reversal of 46919399949 is 94999391964.

46919399949 is a `hidden beast` number, since 469 + 1 + 9 + 39 + 99 + 49 = 666.

It is not a de Polignac number, because 46919399949 - 2⁸ = 46919399693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46919399939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3489259 + ... + 3502679.

It is an arithmetic number, because the mean of its divisors is an integer number (2864362176).

Almost surely, 2^46919399949 is an apocalyptic number.

It is an amenable number.

46919399949 is a deficient number, since it is larger than the sum of its proper divisors (21825292275).

46919399949 is a wasteful number, since it uses less digits than its factorization.

46919399949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18969 (or 18966 counting only the distinct ones).

The product of its digits is 153055008, while the sum is 72.

The spelling of 46919399949 in words is "forty-six billion, nine hundred nineteen million, three hundred ninety-nine thousand, nine hundred forty-nine".