35403993421 has 2 divisors, whose sum is σ = 35403993422. Its totient is φ = 35403993420.

The previous prime is 35403993413. The next prime is 35403993439. The reversal of 35403993421 is 12439930453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34823665321 + 580328100 = 186611^2 + 24090^2 .

It is an emirp because it is prime and its reverse (12439930453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35403993421 - 2³ = 35403993413 is a prime.

It is a super-2 number, since 2×35403993421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35403993221) 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, 17701996710 + 17701996711.

It is an arithmetic number, because the mean of its divisors is an integer number (17701996711).

Almost surely, 2^35403993421 is an apocalyptic number.

It is an amenable number.

35403993421 is a deficient number, since it is larger than the sum of its proper divisors (1).

35403993421 is an equidigital number, since it uses as much as digits as its factorization.

35403993421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 35403993421 in words is "thirty-five billion, four hundred three million, nine hundred ninety-three thousand, four hundred twenty-one".