3942456781741 has 16 divisors (see below), whose sum is σ = 4054950428400. Its totient is φ = 3830278053888.

The previous prime is 3942456781693. The next prime is 3942456781759. The reversal of 3942456781741 is 1471876542493.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1269790922500 + 2672665859241 = 1126850^2 + 1634829^2 .

It is a cyclic number.

It is not a de Polignac number, because 3942456781741 - 2¹⁵ = 3942456748973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3942456781741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942456781141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156626805 + ... + 156651973.

It is an arithmetic number, because the mean of its divisors is an integer number (253434401775).

Almost surely, 2^{3942456781741} is an apocalyptic number.

It is an amenable number.

3942456781741 is a deficient number, since it is larger than the sum of its proper divisors (112493646659).

3942456781741 is a wasteful number, since it uses less digits than its factorization.

3942456781741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31248.

The product of its digits is 40642560, while the sum is 61.

The spelling of 3942456781741 in words is "three trillion, nine hundred forty-two billion, four hundred fifty-six million, seven hundred eighty-one thousand, seven hundred forty-one".