100990662743 has 2 divisors, whose sum is σ = 100990662744. Its totient is φ = 100990662742.

The previous prime is 100990662733. The next prime is 100990662833. The reversal of 100990662743 is 347266099001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100990662743 - 2¹⁴ = 100990646359 is a prime.

It is a super-2 number, since 2×100990662743² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100990662733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50495331371 + 50495331372.

It is an arithmetic number, because the mean of its divisors is an integer number (50495331372).

Almost surely, 2^100990662743 is an apocalyptic number.

100990662743 is a deficient number, since it is larger than the sum of its proper divisors (1).

100990662743 is an equidigital number, since it uses as much as digits as its factorization.

100990662743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 100990662743 in words is "one hundred billion, nine hundred ninety million, six hundred sixty-two thousand, seven hundred forty-three".