47531158349 has 2 divisors, whose sum is σ = 47531158350. Its totient is φ = 47531158348.

The previous prime is 47531158343. The next prime is 47531158361. The reversal of 47531158349 is 94385113574.

47531158349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45098893225 + 2432265124 = 212365^2 + 49318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47531158349 is a prime.

It is a super-2 number, since 2×47531158349² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47531158297 and 47531158306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47531158343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23765579174 + 23765579175.

It is an arithmetic number, because the mean of its divisors is an integer number (23765579175).

Almost surely, 2^47531158349 is an apocalyptic number.

It is an amenable number.

47531158349 is a deficient number, since it is larger than the sum of its proper divisors (1).

47531158349 is an equidigital number, since it uses as much as digits as its factorization.

47531158349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 50.

The spelling of 47531158349 in words is "forty-seven billion, five hundred thirty-one million, one hundred fifty-eight thousand, three hundred forty-nine".