3954678175745 has 16 divisors (see below), whose sum is σ = 5481564617088. Its totient is φ = 2706945488640.

The previous prime is 3954678175741. The next prime is 3954678175757. The reversal of 3954678175745 is 5475718764593.

It is not a de Polignac number, because 3954678175745 - 2² = 3954678175741 is a prime.

It is a super-2 number, since 2×3954678175745² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3954678175741) 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, 2114800229 + ... + 2114802098.

It is an arithmetic number, because the mean of its divisors is an integer number (342597788568).

Almost surely, 2^{3954678175745} is an apocalyptic number.

It is an amenable number.

3954678175745 is a deficient number, since it is larger than the sum of its proper divisors (1526886441343).

3954678175745 is a wasteful number, since it uses less digits than its factorization.

3954678175745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229602360.

The product of its digits is 889056000, while the sum is 71.

The spelling of 3954678175745 in words is "three trillion, nine hundred fifty-four billion, six hundred seventy-eight million, one hundred seventy-five thousand, seven hundred forty-five".