10347377681 has 4 divisors (see below), whose sum is σ = 10349706864. Its totient is φ = 10345048500.

The previous prime is 10347377669. The next prime is 10347377693. The reversal of 10347377681 is 18677374301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10347377669) and next prime (10347377693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10347377681 is a prime.

It is a super-2 number, since 2×10347377681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10347377081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157915 + ... + 1166816.

It is an arithmetic number, because the mean of its divisors is an integer number (2587426716).

Almost surely, 2^10347377681 is an apocalyptic number.

It is an amenable number.

10347377681 is a deficient number, since it is larger than the sum of its proper divisors (2329183).

10347377681 is an equidigital number, since it uses as much as digits as its factorization.

10347377681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329182.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 10347377681 in words is "ten billion, three hundred forty-seven million, three hundred seventy-seven thousand, six hundred eighty-one".