107730951491 has 2 divisors, whose sum is σ = 107730951492. Its totient is φ = 107730951490.

The previous prime is 107730951467. The next prime is 107730951547. The reversal of 107730951491 is 194159037701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107730951491 is a prime.

It is not a weakly prime, because it can be changed into another prime (107730951191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53865475745 + 53865475746.

It is an arithmetic number, because the mean of its divisors is an integer number (53865475746).

Almost surely, 2^107730951491 is an apocalyptic number.

107730951491 is a deficient number, since it is larger than the sum of its proper divisors (1).

107730951491 is an equidigital number, since it uses as much as digits as its factorization.

107730951491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 47.

The spelling of 107730951491 in words is "one hundred seven billion, seven hundred thirty million, nine hundred fifty-one thousand, four hundred ninety-one".