35125454421 has 12 divisors (see below), whose sum is σ = 50909934348. Its totient is φ = 23337046464.

The previous prime is 35125454411. The next prime is 35125454461. The reversal of 35125454421 is 12445452153.

35125454421 is a `hidden beast` number, since 3 + 51 + 2 + 545 + 44 + 21 = 666.

35125454421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23535855396 + 11589599025 = 153414^2 + 107655^2 .

It is a de Polignac number, because none of the positive numbers 2^k-35125454421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35125454401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6657480 + ... + 6662753.

It is an arithmetic number, because the mean of its divisors is an integer number (4242494529).

Almost surely, 2^35125454421 is an apocalyptic number.

It is an amenable number.

35125454421 is a deficient number, since it is larger than the sum of its proper divisors (15784479927).

35125454421 is a wasteful number, since it uses less digits than its factorization.

35125454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320532 (or 13320529 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 35125454421 in words is "thirty-five billion, one hundred twenty-five million, four hundred fifty-four thousand, four hundred twenty-one".