10391903437 has 2 divisors, whose sum is σ = 10391903438. Its totient is φ = 10391903436.

The previous prime is 10391903407. The next prime is 10391903477. The reversal of 10391903437 is 73430919301.

It is an a-pointer prime, because the next prime (10391903477) can be obtained adding 10391903437 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10254802756 + 137100681 = 101266^2 + 11709^2 .

It is a cyclic number.

It is not a de Polignac number, because 10391903437 - 2¹⁵ = 10391870669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10391903437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10391903407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195951718 + 5195951719.

It is an arithmetic number, because the mean of its divisors is an integer number (5195951719).

Almost surely, 2^10391903437 is an apocalyptic number.

It is an amenable number.

10391903437 is a deficient number, since it is larger than the sum of its proper divisors (1).

10391903437 is an equidigital number, since it uses as much as digits as its factorization.

10391903437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 10391903437 in words is "ten billion, three hundred ninety-one million, nine hundred three thousand, four hundred thirty-seven".