921482629 has 2 divisors, whose sum is σ = 921482630. Its totient is φ = 921482628.

The previous prime is 921482587. The next prime is 921482641. The reversal of 921482629 is 926284129.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 569920129 + 351562500 = 23873^2 + 18750^2 .

It is a cyclic number.

It is not a de Polignac number, because 921482629 - 2²¹ = 919385477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (921482129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460741314 + 460741315.

It is an arithmetic number, because the mean of its divisors is an integer number (460741315).

Almost surely, 2^921482629 is an apocalyptic number.

It is an amenable number.

921482629 is a deficient number, since it is larger than the sum of its proper divisors (1).

921482629 is an equidigital number, since it uses as much as digits as its factorization.

921482629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 921482629 is about 30355.9323526720. The cubic root of 921482629 is about 973.1110053775. Note that the first 3 decimals are identical.

The spelling of 921482629 in words is "nine hundred twenty-one million, four hundred eighty-two thousand, six hundred twenty-nine".