3954077165389 has 4 divisors (see below), whose sum is σ = 4258236947356. Its totient is φ = 3649917383424.

The previous prime is 3954077165371. The next prime is 3954077165411. The reversal of 3954077165389 is 9835617704593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 774150100164 + 3179927065225 = 879858^2 + 1783235^2 .

It is not a de Polignac number, because 3954077165389 - 2¹⁹ = 3954076641101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954077105389) 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, 152079890964 + ... + 152079890989.

It is an arithmetic number, because the mean of its divisors is an integer number (1064559236839).

Almost surely, 2^{3954077165389} is an apocalyptic number.

It is an amenable number.

3954077165389 is a deficient number, since it is larger than the sum of its proper divisors (304159781967).

3954077165389 is a wasteful number, since it uses less digits than its factorization.

3954077165389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304159781966.

The product of its (nonzero) digits is 171460800, while the sum is 67.

The spelling of 3954077165389 in words is "three trillion, nine hundred fifty-four billion, seventy-seven million, one hundred sixty-five thousand, three hundred eighty-nine".