351145243021451 has 4 divisors (see below), whose sum is σ = 351148761293400. Its totient is φ = 351141724749504.

The previous prime is 351145243021403. The next prime is 351145243021483. The reversal of 351145243021451 is 154120342541153.

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

It is a cyclic number.

It is not a de Polignac number, because 351145243021451 - 2¹⁸ = 351145242759307 is a prime.

It is a super-2 number, since 2×351145243021451² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351145243021399 and 351145243021408.

It is not an unprimeable number, because it can be changed into a prime (351145243024451) 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, 1758986261 + ... + 1759185878.

It is an arithmetic number, because the mean of its divisors is an integer number (87787190323350).

Almost surely, 2^{351145243021451} is an apocalyptic number.

351145243021451 is a deficient number, since it is larger than the sum of its proper divisors (3518271949).

351145243021451 is an equidigital number, since it uses as much as digits as its factorization.

351145243021451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518271948.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 351145243021451 in words is "three hundred fifty-one trillion, one hundred forty-five billion, two hundred forty-three million, twenty-one thousand, four hundred fifty-one".