100953438389 has 2 divisors, whose sum is σ = 100953438390. Its totient is φ = 100953438388.

The previous prime is 100953438373. The next prime is 100953438407. The reversal of 100953438389 is 983834359001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100843083364 + 110355025 = 317558^2 + 10505^2 .

It is a cyclic number.

It is not a de Polignac number, because 100953438389 - 2⁴ = 100953438373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100953438389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100953438329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50476719194 + 50476719195.

It is an arithmetic number, because the mean of its divisors is an integer number (50476719195).

Almost surely, 2^100953438389 is an apocalyptic number.

It is an amenable number.

100953438389 is a deficient number, since it is larger than the sum of its proper divisors (1).

100953438389 is an equidigital number, since it uses as much as digits as its factorization.

100953438389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 100953438389 in words is "one hundred billion, nine hundred fifty-three million, four hundred thirty-eight thousand, three hundred eighty-nine".