47148014137781 has 2 divisors, whose sum is σ = 47148014137782. Its totient is φ = 47148014137780.

The previous prime is 47148014137687. The next prime is 47148014137799. The reversal of 47148014137781 is 18773141084174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43899966747025 + 3248047390756 = 6625705^2 + 1802234^2 .

It is a cyclic number.

It is not a de Polignac number, because 47148014137781 - 2³⁰ = 47146940395957 is a prime.

It is a super-2 number, since 2×47148014137781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47148014137181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23574007068890 + 23574007068891.

It is an arithmetic number, because the mean of its divisors is an integer number (23574007068891).

Almost surely, 2^{47148014137781} is an apocalyptic number.

It is an amenable number.

47148014137781 is a deficient number, since it is larger than the sum of its proper divisors (1).

47148014137781 is an equidigital number, since it uses as much as digits as its factorization.

47148014137781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4214784, while the sum is 56.

The spelling of 47148014137781 in words is "forty-seven trillion, one hundred forty-eight billion, fourteen million, one hundred thirty-seven thousand, seven hundred eighty-one".