46491510447 has 24 divisors (see below), whose sum is σ = 68336877440. Its totient is φ = 30451029840.

The previous prime is 46491510407. The next prime is 46491510451. The reversal of 46491510447 is 74401519464.

46491510447 is a `hidden beast` number, since 4 + 6 + 4 + 91 + 510 + 4 + 47 = 666.

It is not a de Polignac number, because 46491510447 - 2¹² = 46491506351 is a prime.

It is a super-2 number, since 2×46491510447² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46491510407) 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, 126822 + ... + 330252.

Almost surely, 2^46491510447 is an apocalyptic number.

46491510447 is a deficient number, since it is larger than the sum of its proper divisors (21845366993).

46491510447 is a wasteful number, since it uses less digits than its factorization.

46491510447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203883 (or 203880 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 46491510447 in words is "forty-six billion, four hundred ninety-one million, five hundred ten thousand, four hundred forty-seven".