47491990335 has 32 divisors (see below), whose sum is σ = 88101089280. Its totient is φ = 24227796384.

The previous prime is 47491990333. The next prime is 47491990349. The reversal of 47491990335 is 53309919474.

It is a happy number.

It is not a de Polignac number, because 47491990335 - 2¹ = 47491990333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47491990333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7644559 + ... + 7650768.

It is an arithmetic number, because the mean of its divisors is an integer number (2753159040).

Almost surely, 2^47491990335 is an apocalyptic number.

47491990335 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47491990335 is a deficient number, since it is larger than the sum of its proper divisors (40609098945).

47491990335 is a wasteful number, since it uses less digits than its factorization.

47491990335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295364 (or 15295358 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 47491990335 in words is "forty-seven billion, four hundred ninety-one million, nine hundred ninety thousand, three hundred thirty-five".