47515716379 has 2 divisors, whose sum is σ = 47515716380. Its totient is φ = 47515716378.

The previous prime is 47515716359. The next prime is 47515716407. The reversal of 47515716379 is 97361751574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47515716379 - 2¹³ = 47515708187 is a prime.

It is not a weakly prime, because it can be changed into another prime (47515716359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23757858189 + 23757858190.

It is an arithmetic number, because the mean of its divisors is an integer number (23757858190).

Almost surely, 2^47515716379 is an apocalyptic number.

47515716379 is a deficient number, since it is larger than the sum of its proper divisors (1).

47515716379 is an equidigital number, since it uses as much as digits as its factorization.

47515716379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5556600, while the sum is 55.

It can be divided in two parts, 475157 and 16379, that added together give a triangular number (491536 = T₉₉₁).

The spelling of 47515716379 in words is "forty-seven billion, five hundred fifteen million, seven hundred sixteen thousand, three hundred seventy-nine".