1451203540642 has 8 divisors (see below), whose sum is σ = 2291374011600. Its totient is φ = 687412203444.

The previous prime is 1451203540639. The next prime is 1451203540649. The reversal of 1451203540642 is 2460453021541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1451203540649) 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, 19094783392 + ... + 19094783467.

It is an arithmetic number, because the mean of its divisors is an integer number (286421751450).

Almost surely, 2^{1451203540642} is an apocalyptic number.

1451203540642 is a deficient number, since it is larger than the sum of its proper divisors (840170470958).

1451203540642 is a wasteful number, since it uses less digits than its factorization.

1451203540642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38189566880.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 1451203540642 in words is "one trillion, four hundred fifty-one billion, two hundred three million, five hundred forty thousand, six hundred forty-two".