47403154237 has 2 divisors, whose sum is σ = 47403154238. Its totient is φ = 47403154236.

The previous prime is 47403154181. The next prime is 47403154273. The reversal of 47403154237 is 73245130474.

Together with next prime (47403154273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46783094436 + 620059801 = 216294^2 + 24901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47403154237 is a prime.

It is a super-2 number, since 2×47403154237² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47403154237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47403154277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23701577118 + 23701577119.

It is an arithmetic number, because the mean of its divisors is an integer number (23701577119).

Almost surely, 2^47403154237 is an apocalyptic number.

It is an amenable number.

47403154237 is a deficient number, since it is larger than the sum of its proper divisors (1).

47403154237 is an equidigital number, since it uses as much as digits as its factorization.

47403154237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 47403154237 in words is "forty-seven billion, four hundred three million, one hundred fifty-four thousand, two hundred thirty-seven".