47420694369 has 24 divisors (see below), whose sum is σ = 69471041640. Its totient is φ = 31164486912.

The previous prime is 47420694329. The next prime is 47420694379. The reversal of 47420694369 is 96349602474.

47420694369 is a `hidden beast` number, since 4 + 74 + 206 + 9 + 4 + 369 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14674172769 + 32746521600 = 121137^2 + 180960^2 .

It is not a de Polignac number, because 47420694369 - 2⁷ = 47420694241 is a prime.

It is a super-2 number, since 2×47420694369² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47420694329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1315267 + ... + 1350839.

It is an arithmetic number, because the mean of its divisors is an integer number (2894626735).

Almost surely, 2^47420694369 is an apocalyptic number.

It is an amenable number.

47420694369 is a deficient number, since it is larger than the sum of its proper divisors (22050347271).

47420694369 is a wasteful number, since it uses less digits than its factorization.

47420694369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37681 (or 37678 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 47420694369 in words is "forty-seven billion, four hundred twenty million, six hundred ninety-four thousand, three hundred sixty-nine".