2029940453 has 2 divisors, whose sum is σ = 2029940454. Its totient is φ = 2029940452.

The previous prime is 2029940447. The next prime is 2029940527. The reversal of 2029940453 is 3540499202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2005517089 + 24423364 = 44783^2 + 4942^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029940453 - 2¹⁴ = 2029924069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2029940413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014970226 + 1014970227.

It is an arithmetic number, because the mean of its divisors is an integer number (1014970227).

Almost surely, 2^2029940453 is an apocalyptic number.

It is an amenable number.

2029940453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029940453 is an equidigital number, since it uses as much as digits as its factorization.

2029940453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2029940453 is about 45054.8604814175. The cubic root of 2029940453 is about 1266.1770362963.

The spelling of 2029940453 in words is "two billion, twenty-nine million, nine hundred forty thousand, four hundred fifty-three".