351387421050 has 96 divisors (see below), whose sum is σ = 875783946240. Its totient is φ = 93237220800.

The previous prime is 351387421037. The next prime is 351387421051. The reversal of 351387421050 is 50124783153.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (351387421051) 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 47 ways as a sum of consecutive naturals, for example, 34100199 + ... + 34110501.

It is an arithmetic number, because the mean of its divisors is an integer number (9122749440).

Almost surely, 2^351387421050 is an apocalyptic number.

351387421050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 351387421050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437891973120).

351387421050 is an abundant number, since it is smaller than the sum of its proper divisors (524396525190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351387421050 is a wasteful number, since it uses less digits than its factorization.

351387421050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428 (or 11423 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 351387421050 in words is "three hundred fifty-one billion, three hundred eighty-seven million, four hundred twenty-one thousand, fifty".