348138447673 has 2 divisors, whose sum is σ = 348138447674. Its totient is φ = 348138447672.

The previous prime is 348138447599. The next prime is 348138447731. The reversal of 348138447673 is 376744831843.

It is a happy number.

It is an a-pointer prime, because the next prime (348138447731) can be obtained adding 348138447673 to its sum of digits (58).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240503929744 + 107634517929 = 490412^2 + 328077^2 .

It is a cyclic number.

It is not a de Polignac number, because 348138447673 - 2¹⁷ = 348138316601 is a prime.

It is a super-2 number, since 2×348138447673² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (348138444673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174069223836 + 174069223837.

It is an arithmetic number, because the mean of its divisors is an integer number (174069223837).

Almost surely, 2^348138447673 is an apocalyptic number.

It is an amenable number.

348138447673 is a deficient number, since it is larger than the sum of its proper divisors (1).

348138447673 is an equidigital number, since it uses as much as digits as its factorization.

348138447673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 58.

The spelling of 348138447673 in words is "three hundred forty-eight billion, one hundred thirty-eight million, four hundred forty-seven thousand, six hundred seventy-three".