1351924378177 has 2 divisors, whose sum is σ = 1351924378178. Its totient is φ = 1351924378176.

The previous prime is 1351924378111. The next prime is 1351924378187. The reversal of 1351924378177 is 7718734291531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1059285574656 + 292638803521 = 1029216^2 + 540961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351924378177 - 2¹¹ = 1351924376129 is a prime.

It is a super-2 number, since 2×1351924378177² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1351924378187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675962189088 + 675962189089.

It is an arithmetic number, because the mean of its divisors is an integer number (675962189089).

Almost surely, 2^{1351924378177} is an apocalyptic number.

It is an amenable number.

1351924378177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351924378177 is an equidigital number, since it uses as much as digits as its factorization.

1351924378177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 58.

The spelling of 1351924378177 in words is "one trillion, three hundred fifty-one billion, nine hundred twenty-four million, three hundred seventy-eight thousand, one hundred seventy-seven".