1653401429 has 2 divisors, whose sum is σ = 1653401430. Its totient is φ = 1653401428.

The previous prime is 1653401339. The next prime is 1653401459. The reversal of 1653401429 is 9241043561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1116228100 + 537173329 = 33410^2 + 23177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653401429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653401459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826700714 + 826700715.

It is an arithmetic number, because the mean of its divisors is an integer number (826700715).

Almost surely, 2^1653401429 is an apocalyptic number.

It is an amenable number.

1653401429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653401429 is an equidigital number, since it uses as much as digits as its factorization.

1653401429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1653401429 is about 40662.0391643115. The cubic root of 1653401429 is about 1182.4771834742.

The spelling of 1653401429 in words is "one billion, six hundred fifty-three million, four hundred one thousand, four hundred twenty-nine".