35647970421 has 12 divisors (see below), whose sum is σ = 54322035296. Its totient is φ = 20369774400.

The previous prime is 35647970419. The next prime is 35647970459. The reversal of 35647970421 is 12407974653.

It is not a de Polignac number, because 35647970421 - 2¹ = 35647970419 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 (35647970471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844621 + ... + 885821.

Almost surely, 2^35647970421 is an apocalyptic number.

It is an amenable number.

35647970421 is a deficient number, since it is larger than the sum of its proper divisors (18674064875).

35647970421 is an frugal number, since it uses more digits than its factorization.

35647970421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82412 (or 41211 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 35647970421 in words is "thirty-five billion, six hundred forty-seven million, nine hundred seventy thousand, four hundred twenty-one".