35425512421 has 4 divisors (see below), whose sum is σ = 38150551852. Its totient is φ = 32700472992.

The previous prime is 35425512401. The next prime is 35425512457. The reversal of 35425512421 is 12421552453.

It is a happy number.

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 4500531396 + 30924981025 = 67086^2 + 175855^2 .

It is a cyclic number.

It is not a de Polignac number, because 35425512421 - 2⁹ = 35425511909 is a prime.

It is a super-3 number, since 3×35425512421³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35425512401) 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, 1362519696 + ... + 1362519721.

It is an arithmetic number, because the mean of its divisors is an integer number (9537637963).

Almost surely, 2^35425512421 is an apocalyptic number.

It is an amenable number.

35425512421 is a deficient number, since it is larger than the sum of its proper divisors (2725039431).

35425512421 is a wasteful number, since it uses less digits than its factorization.

35425512421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725039430.

The product of its digits is 48000, while the sum is 34.

The spelling of 35425512421 in words is "thirty-five billion, four hundred twenty-five million, five hundred twelve thousand, four hundred twenty-one".