10391903407 has 2 divisors, whose sum is σ = 10391903408. Its totient is φ = 10391903406.

The previous prime is 10391903383. The next prime is 10391903437. The reversal of 10391903407 is 70430919301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10391903407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10391903437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195951703 + 5195951704.

It is an arithmetic number, because the mean of its divisors is an integer number (5195951704).

Almost surely, 2^10391903407 is an apocalyptic number.

10391903407 is a deficient number, since it is larger than the sum of its proper divisors (1).

10391903407 is an equidigital number, since it uses as much as digits as its factorization.

10391903407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 10391903407 in words is "ten billion, three hundred ninety-one million, nine hundred three thousand, four hundred seven".