1945739276393 has 8 divisors (see below), whose sum is σ = 2126878428000. Its totient is φ = 1765309085280.

The previous prime is 1945739276387. The next prime is 1945739276431. The reversal of 1945739276393 is 3936729375491.

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

It is a cyclic number.

It is not a de Polignac number, because 1945739276393 - 2¹² = 1945739272297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1945739276093) 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 7 ways as a sum of consecutive naturals, for example, 177234380 + ... + 177245357.

It is an arithmetic number, because the mean of its divisors is an integer number (265859803500).

Almost surely, 2^{1945739276393} is an apocalyptic number.

It is an amenable number.

1945739276393 is a deficient number, since it is larger than the sum of its proper divisors (181139151607).

1945739276393 is a wasteful number, since it uses less digits than its factorization.

1945739276393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354480247.

The product of its digits is 231472080, while the sum is 68.

The spelling of 1945739276393 in words is "one trillion, nine hundred forty-five billion, seven hundred thirty-nine million, two hundred seventy-six thousand, three hundred ninety-three".