47403787409 has 12 divisors (see below), whose sum is σ = 52574923440. Its totient is φ = 42387850800.

The previous prime is 47403787397. The next prime is 47403787421. The reversal of 47403787409 is 90478730474.

It is an interprime number because it is at equal distance from previous prime (47403787397) and next prime (47403787421).

It is not a de Polignac number, because 47403787409 - 2⁸ = 47403787153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47403787709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538139 + ... + 620000.

It is an arithmetic number, because the mean of its divisors is an integer number (4381243620).

Almost surely, 2^47403787409 is an apocalyptic number.

It is an amenable number.

47403787409 is a deficient number, since it is larger than the sum of its proper divisors (5171136031).

47403787409 is a wasteful number, since it uses less digits than its factorization.

47403787409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158272 (or 1158211 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 47403787409 in words is "forty-seven billion, four hundred three million, seven hundred eighty-seven thousand, four hundred nine".