738287223761 has 2 divisors, whose sum is σ = 738287223762. Its totient is φ = 738287223760.

The previous prime is 738287223691. The next prime is 738287223767. The reversal of 738287223761 is 167322782837.

738287223761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686858055361 + 51429168400 = 828769^2 + 226780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738287223761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 738287223697 and 738287223706.

It is not a weakly prime, because it can be changed into another prime (738287223767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369143611880 + 369143611881.

It is an arithmetic number, because the mean of its divisors is an integer number (369143611881).

Almost surely, 2^738287223761 is an apocalyptic number.

It is an amenable number.

738287223761 is a deficient number, since it is larger than the sum of its proper divisors (1).

738287223761 is an equidigital number, since it uses as much as digits as its factorization.

738287223761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9483264, while the sum is 56.

The spelling of 738287223761 in words is "seven hundred thirty-eight billion, two hundred eighty-seven million, two hundred twenty-three thousand, seven hundred sixty-one".