3965374367954 has 16 divisors (see below), whose sum is σ = 6299005792248. Its totient is φ = 1865744965632.

The previous prime is 3965374367947. The next prime is 3965374368049. The reversal of 3965374367954 is 4597634735693.

It can be written as a sum of positive squares in 4 ways, for example, as 2577395852329 + 1387978515625 = 1605427^2 + 1178125^2 .

It is a super-2 number, since 2×3965374367954² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9593387 + ... + 9998190.

Almost surely, 2^{3965374367954} is an apocalyptic number.

3965374367954 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3965374367954 is a deficient number, since it is larger than the sum of its proper divisors (2333631424294).

3965374367954 is a wasteful number, since it uses less digits than its factorization.

3965374367954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19597549.

The product of its digits is 1543147200, while the sum is 71.

The spelling of 3965374367954 in words is "three trillion, nine hundred sixty-five billion, three hundred seventy-four million, three hundred sixty-seven thousand, nine hundred fifty-four".