35913972421 has 8 divisors (see below), whose sum is σ = 38148836544. Its totient is φ = 33692694720.

The previous prime is 35913972407. The next prime is 35913972433. The reversal of 35913972421 is 12427931953.

It is a happy number.

35913972421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35913972421 - 2²⁷ = 35779754693 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 (35913972401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391155 + ... + 3401728.

It is an arithmetic number, because the mean of its divisors is an integer number (4768604568).

Almost surely, 2^35913972421 is an apocalyptic number.

It is an amenable number.

35913972421 is a deficient number, since it is larger than the sum of its proper divisors (2234864123).

35913972421 is a wasteful number, since it uses less digits than its factorization.

35913972421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6793211.

The product of its digits is 408240, while the sum is 46.

The spelling of 35913972421 in words is "thirty-five billion, nine hundred thirteen million, nine hundred seventy-two thousand, four hundred twenty-one".