1035421909 has 2 divisors, whose sum is σ = 1035421910. Its totient is φ = 1035421908.

The previous prime is 1035421883. The next prime is 1035421957. The reversal of 1035421909 is 9091245301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 975312900 + 60109009 = 31230^2 + 7753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1035421909 is a prime.

It is a super-3 number, since 3×1035421909³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1035421109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517710954 + 517710955.

It is an arithmetic number, because the mean of its divisors is an integer number (517710955).

Almost surely, 2^1035421909 is an apocalyptic number.

It is an amenable number.

1035421909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035421909 is an equidigital number, since it uses as much as digits as its factorization.

1035421909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1035421909 is about 32177.9724190322. The cubic root of 1035421909 is about 1011.6705709218.

The spelling of 1035421909 in words is "one billion, thirty-five million, four hundred twenty-one thousand, nine hundred nine".