351350252989 has 4 divisors (see below), whose sum is σ = 351351531520. Its totient is φ = 351348974460.

The previous prime is 351350252983. The next prime is 351350253041. The reversal of 351350252989 is 989252053153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 351350252989 - 2³⁷ = 213911299517 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 (351350252983) 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, 39459 + ... + 839200.

It is an arithmetic number, because the mean of its divisors is an integer number (87837882880).

Almost surely, 2^351350252989 is an apocalyptic number.

It is an amenable number.

351350252989 is a deficient number, since it is larger than the sum of its proper divisors (1278531).

351350252989 is an equidigital number, since it uses as much as digits as its factorization.

351350252989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278530.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 351350252989 in words is "three hundred fifty-one billion, three hundred fifty million, two hundred fifty-two thousand, nine hundred eighty-nine".