3534070021 has 4 divisors (see below), whose sum is σ = 3561897472. Its totient is φ = 3506242572.

The previous prime is 3534070019. The next prime is 3534070027. The reversal of 3534070021 is 1200704353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1200704353 = 37 ⋅32451469.

It is a cyclic number.

It is not a de Polignac number, because 3534070021 - 2¹ = 3534070019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3534070027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13913535 + ... + 13913788.

It is an arithmetic number, because the mean of its divisors is an integer number (890474368).

Almost surely, 2^3534070021 is an apocalyptic number.

It is an amenable number.

3534070021 is a deficient number, since it is larger than the sum of its proper divisors (27827451).

3534070021 is a wasteful number, since it uses less digits than its factorization.

3534070021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27827450.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3534070021 is about 59448.0447197383. The cubic root of 3534070021 is about 1523.2050936208.

Adding to 3534070021 its reverse (1200704353), we get a palindrome (4734774374).

The spelling of 3534070021 in words is "three billion, five hundred thirty-four million, seventy thousand, twenty-one".