1101648629 has 2 divisors, whose sum is σ = 1101648630. Its totient is φ = 1101648628.

The previous prime is 1101648623. The next prime is 1101648631. The reversal of 1101648629 is 9268461011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088868004 + 12780625 = 32998^2 + 3575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101648629 is a prime.

It is a super-3 number, since 3×1101648629³ (a number of 28 digits) contains 333 as substring.

Together with 1101648631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101648592 and 1101648601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101648623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550824314 + 550824315.

It is an arithmetic number, because the mean of its divisors is an integer number (550824315).

Almost surely, 2^1101648629 is an apocalyptic number.

It is an amenable number.

1101648629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101648629 is an equidigital number, since it uses as much as digits as its factorization.

1101648629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1101648629 is about 33191.0926153388. The cubic root of 1101648629 is about 1032.7955692216.

The spelling of 1101648629 in words is "one billion, one hundred one million, six hundred forty-eight thousand, six hundred twenty-nine".