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13873941577 is a prime number
BaseRepresentation
bin11001110101111001…
…11000110001001001
31022210220021020221001
430322330320301021
5211403212112302
610212410415001
71000544362156
oct147274706111
938726236831
1013873941577
11597a529721
122832431461
1314014734b2
1495886122d
15563032787
hex33af38c49

13873941577 has 2 divisors, whose sum is σ = 13873941578. Its totient is φ = 13873941576.

The previous prime is 13873941563. The next prime is 13873941583. The reversal of 13873941577 is 77514937831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10328453641 + 3545487936 = 101629^2 + 59544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13873941577 is a prime.

It is not a weakly prime, because it can be changed into another prime (13873941547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936970788 + 6936970789.

It is an arithmetic number, because the mean of its divisors is an integer number (6936970789).

Almost surely, 213873941577 is an apocalyptic number.

It is an amenable number.

13873941577 is a deficient number, since it is larger than the sum of its proper divisors (1).

13873941577 is an equidigital number, since it uses as much as digits as its factorization.

13873941577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 55.

The spelling of 13873941577 in words is "thirteen billion, eight hundred seventy-three million, nine hundred forty-one thousand, five hundred seventy-seven".