1946420743137 has 8 divisors (see below), whose sum is σ = 2794860554304. Its totient is φ = 1197797380368.

The previous prime is 1946420743121. The next prime is 1946420743151. The reversal of 1946420743137 is 7313470246491.

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

It is not a de Polignac number, because 1946420743137 - 2⁴ = 1946420743121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1946420743137.

It is not an unprimeable number, because it can be changed into a prime (1946420743187) 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, 24954112053 + ... + 24954112130.

It is an arithmetic number, because the mean of its divisors is an integer number (349357569288).

Almost surely, 2^{1946420743137} is an apocalyptic number.

It is an amenable number.

1946420743137 is a deficient number, since it is larger than the sum of its proper divisors (848439811167).

1946420743137 is a wasteful number, since it uses less digits than its factorization.

1946420743137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49908224199.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 1946420743137 in words is "one trillion, nine hundred forty-six billion, four hundred twenty million, seven hundred forty-three thousand, one hundred thirty-seven".