1451643441442 has 16 divisors (see below), whose sum is σ = 2202447614400. Its totient is φ = 717524574480.

The previous prime is 1451643441433. The next prime is 1451643441449. The reversal of 1451643441442 is 2441443461541.

It is not an unprimeable number, because it can be changed into a prime (1451643441449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7488484 + ... + 7679887.

It is an arithmetic number, because the mean of its divisors is an integer number (137652975900).

Almost surely, 2^{1451643441442} is an apocalyptic number.

1451643441442 is a deficient number, since it is larger than the sum of its proper divisors (750804172958).

1451643441442 is a wasteful number, since it uses less digits than its factorization.

1451643441442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168921.

The product of its digits is 737280, while the sum is 43.

The spelling of 1451643441442 in words is "one trillion, four hundred fifty-one billion, six hundred forty-three million, four hundred forty-one thousand, four hundred forty-two".