35124001921 has 2 divisors, whose sum is σ = 35124001922. Its totient is φ = 35124001920.

The previous prime is 35124001919. The next prime is 35124001933. The reversal of 35124001921 is 12910042153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30942569025 + 4181432896 = 175905^2 + 64664^2 .

It is a cyclic number.

It is not a de Polignac number, because 35124001921 - 2¹ = 35124001919 is a prime.

Together with 35124001919, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 35124001921.

It is not a weakly prime, because it can be changed into another prime (35124101921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17562000960 + 17562000961.

It is an arithmetic number, because the mean of its divisors is an integer number (17562000961).

Almost surely, 2^35124001921 is an apocalyptic number.

It is an amenable number.

35124001921 is a deficient number, since it is larger than the sum of its proper divisors (1).

35124001921 is an equidigital number, since it uses as much as digits as its factorization.

35124001921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 35124001921 in words is "thirty-five billion, one hundred twenty-four million, one thousand, nine hundred twenty-one".