35245144421 has 2 divisors, whose sum is σ = 35245144422. Its totient is φ = 35245144420.

The previous prime is 35245144393. The next prime is 35245144439. The reversal of 35245144421 is 12444154253.

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., 28051560196 + 7193584225 = 167486^2 + 84815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35245144421 is a prime.

It is a super-3 number, since 3×35245144421³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35245144471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17622572210 + 17622572211.

It is an arithmetic number, because the mean of its divisors is an integer number (17622572211).

Almost surely, 2^35245144421 is an apocalyptic number.

It is an amenable number.

35245144421 is a deficient number, since it is larger than the sum of its proper divisors (1).

35245144421 is an equidigital number, since it uses as much as digits as its factorization.

35245144421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 35.

Adding to 35245144421 its reverse (12444154253), we get a palindrome (47689298674).

The spelling of 35245144421 in words is "thirty-five billion, two hundred forty-five million, one hundred forty-four thousand, four hundred twenty-one".