2029553321 has 2 divisors, whose sum is σ = 2029553322. Its totient is φ = 2029553320.

The previous prime is 2029553269. The next prime is 2029553329. The reversal of 2029553321 is 1233559202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597121296 + 432432025 = 39964^2 + 20795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029553321 - 2²⁶ = 1962444457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2029553329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014776660 + 1014776661.

It is an arithmetic number, because the mean of its divisors is an integer number (1014776661).

Almost surely, 2^2029553321 is an apocalyptic number.

It is an amenable number.

2029553321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029553321 is an equidigital number, since it uses as much as digits as its factorization.

2029553321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2029553321 is about 45050.5640475233. The cubic root of 2029553321 is about 1266.0965398771.

The spelling of 2029553321 in words is "two billion, twenty-nine million, five hundred fifty-three thousand, three hundred twenty-one".