14377359781 has 2 divisors, whose sum is σ = 14377359782. Its totient is φ = 14377359780.

The previous prime is 14377359757. The next prime is 14377359791. The reversal of 14377359781 is 18795377341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8748609156 + 5628750625 = 93534^2 + 75025^2 .

It is a cyclic number.

It is not a de Polignac number, because 14377359781 - 2¹¹ = 14377357733 is a prime.

It is a super-2 number, since 2×14377359781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14377359701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7188679890 + 7188679891.

It is an arithmetic number, because the mean of its divisors is an integer number (7188679891).

Almost surely, 2^14377359781 is an apocalyptic number.

It is an amenable number.

14377359781 is a deficient number, since it is larger than the sum of its proper divisors (1).

14377359781 is an equidigital number, since it uses as much as digits as its factorization.

14377359781 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 14377359781 in words is "fourteen billion, three hundred seventy-seven million, three hundred fifty-nine thousand, seven hundred eighty-one".