35452553621 has 4 divisors (see below), whose sum is σ = 36675055500. Its totient is φ = 34230051744.

The previous prime is 35452553581. The next prime is 35452553629. The reversal of 35452553621 is 12635525453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9962834596 + 25489719025 = 99814^2 + 159655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35452553621 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 (35452553629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611250896 + ... + 611250953.

It is an arithmetic number, because the mean of its divisors is an integer number (9168763875).

Almost surely, 2^35452553621 is an apocalyptic number.

It is an amenable number.

35452553621 is a deficient number, since it is larger than the sum of its proper divisors (1222501879).

35452553621 is a wasteful number, since it uses less digits than its factorization.

35452553621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222501878.

The product of its digits is 540000, while the sum is 41.

The spelling of 35452553621 in words is "thirty-five billion, four hundred fifty-two million, five hundred fifty-three thousand, six hundred twenty-one".