351421005443051 has 4 divisors (see below), whose sum is σ = 351426799845000. Its totient is φ = 351415211041104.

The previous prime is 351421005443029. The next prime is 351421005443069. The reversal of 351421005443051 is 150344500124153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351421005443051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351421005442996 and 351421005443014.

It is not an unprimeable number, because it can be changed into a prime (351421005443021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897110001 + ... + 2897231298.

It is an arithmetic number, because the mean of its divisors is an integer number (87856699961250).

Almost surely, 2^{351421005443051} is an apocalyptic number.

351421005443051 is a deficient number, since it is larger than the sum of its proper divisors (5794401949).

351421005443051 is an equidigital number, since it uses as much as digits as its factorization.

351421005443051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794401948.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 351421005443051 in words is "three hundred fifty-one trillion, four hundred twenty-one billion, five million, four hundred forty-three thousand, fifty-one".