10891742629 has 2 divisors, whose sum is σ = 10891742630. Its totient is φ = 10891742628.

The previous prime is 10891742591. The next prime is 10891742671. The reversal of 10891742629 is 92624719801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10397880900 + 493861729 = 101970^2 + 22223^2 .

It is a cyclic number.

It is not a de Polignac number, because 10891742629 - 2⁹ = 10891742117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10891742689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5445871314 + 5445871315.

It is an arithmetic number, because the mean of its divisors is an integer number (5445871315).

Almost surely, 2^10891742629 is an apocalyptic number.

It is an amenable number.

10891742629 is a deficient number, since it is larger than the sum of its proper divisors (1).

10891742629 is an equidigital number, since it uses as much as digits as its factorization.

10891742629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 10891742629 in words is "ten billion, eight hundred ninety-one million, seven hundred forty-two thousand, six hundred twenty-nine".