35005021989 has 32 divisors (see below), whose sum is σ = 54564378624. Its totient is φ = 19547112000.

The previous prime is 35005021981. The next prime is 35005022057. The reversal of 35005021989 is 98912050053.

35005021989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 35005021989 - 2³ = 35005021981 is a prime.

It is a super-2 number, since 2×35005021989² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 35005021989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35005021981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216712 + ... + 342014.

It is an arithmetic number, because the mean of its divisors is an integer number (1705136832).

Almost surely, 2^35005021989 is an apocalyptic number.

It is an amenable number.

35005021989 is a deficient number, since it is larger than the sum of its proper divisors (19559356635).

35005021989 is a wasteful number, since it uses less digits than its factorization.

35005021989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125617.

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 35005021989 in words is "thirty-five billion, five million, twenty-one thousand, nine hundred eighty-nine".