1648715124377 has 2 divisors, whose sum is σ = 1648715124378. Its totient is φ = 1648715124376.

The previous prime is 1648715124317. The next prime is 1648715124391. The reversal of 1648715124377 is 7734215178461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1550968853641 + 97746270736 = 1245379^2 + 312644^2 .

It is a cyclic number.

It is not a de Polignac number, because 1648715124377 - 2¹⁸ = 1648714862233 is a prime.

It is a super-2 number, since 2×1648715124377² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1648715124307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824357562188 + 824357562189.

It is an arithmetic number, because the mean of its divisors is an integer number (824357562189).

Almost surely, 2^{1648715124377} is an apocalyptic number.

It is an amenable number.

1648715124377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1648715124377 is an equidigital number, since it uses as much as digits as its factorization.

1648715124377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7902720, while the sum is 56.

The spelling of 1648715124377 in words is "one trillion, six hundred forty-eight billion, seven hundred fifteen million, one hundred twenty-four thousand, three hundred seventy-seven".