47451099985 has 32 divisors (see below), whose sum is σ = 61044307200. Its totient is φ = 35301692160.

The previous prime is 47451099967. The next prime is 47451100001. The reversal of 47451099985 is 58999015474.

It is not a de Polignac number, because 47451099985 - 2⁵ = 47451099953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2941612 + ... + 2957698.

It is an arithmetic number, because the mean of its divisors is an integer number (1907634600).

Almost surely, 2^47451099985 is an apocalyptic number.

It is an amenable number.

47451099985 is a deficient number, since it is larger than the sum of its proper divisors (13593207215).

47451099985 is a wasteful number, since it uses less digits than its factorization.

47451099985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16681.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 47451099985 in words is "forty-seven billion, four hundred fifty-one million, ninety-nine thousand, nine hundred eighty-five".