2072156453 has 2 divisors, whose sum is σ = 2072156454. Its totient is φ = 2072156452.

The previous prime is 2072156431. The next prime is 2072156461. The reversal of 2072156453 is 3546512702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1296144004 + 776012449 = 36002^2 + 27857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072156453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2072156483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036078226 + 1036078227.

It is an arithmetic number, because the mean of its divisors is an integer number (1036078227).

Almost surely, 2^2072156453 is an apocalyptic number.

It is an amenable number.

2072156453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072156453 is an equidigital number, since it uses as much as digits as its factorization.

2072156453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2072156453 is about 45520.9452120669. The cubic root of 2072156453 is about 1274.8943042973.

The spelling of 2072156453 in words is "two billion, seventy-two million, one hundred fifty-six thousand, four hundred fifty-three".