2101469453 has 2 divisors, whose sum is σ = 2101469454. Its totient is φ = 2101469452.

The previous prime is 2101469449. The next prime is 2101469471. The reversal of 2101469453 is 3549641012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1325178409 + 776291044 = 36403^2 + 27862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101469453 - 2² = 2101469449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101469653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050734726 + 1050734727.

It is an arithmetic number, because the mean of its divisors is an integer number (1050734727).

Almost surely, 2^2101469453 is an apocalyptic number.

It is an amenable number.

2101469453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101469453 is an equidigital number, since it uses as much as digits as its factorization.

2101469453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2101469453 is about 45841.7871924732. The cubic root of 2101469453 is about 1280.8777859644.

The spelling of 2101469453 in words is "two billion, one hundred one million, four hundred sixty-nine thousand, four hundred fifty-three".