47157331439 has 2 divisors, whose sum is σ = 47157331440. Its totient is φ = 47157331438.

The previous prime is 47157331423. The next prime is 47157331453. The reversal of 47157331439 is 93413375174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47157331439 - 2⁴ = 47157331423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47157331393 and 47157331402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47157331469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578665719 + 23578665720.

It is an arithmetic number, because the mean of its divisors is an integer number (23578665720).

Almost surely, 2^47157331439 is an apocalyptic number.

47157331439 is a deficient number, since it is larger than the sum of its proper divisors (1).

47157331439 is an equidigital number, since it uses as much as digits as its factorization.

47157331439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 47.

The spelling of 47157331439 in words is "forty-seven billion, one hundred fifty-seven million, three hundred thirty-one thousand, four hundred thirty-nine".