3971025659463 has 32 divisors (see below), whose sum is σ = 5475691702272. Its totient is φ = 2558289333600.

The previous prime is 3971025659399. The next prime is 3971025659501. The reversal of 3971025659463 is 3649565201793.

It is not a de Polignac number, because 3971025659463 - 2⁶ = 3971025659399 is a prime.

It is a super-2 number, since 2×3971025659463² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3971025659397 and 3971025659406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971025659863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5238606 + ... + 5948532.

It is an arithmetic number, because the mean of its divisors is an integer number (171115365696).

Almost surely, 2^{3971025659463} is an apocalyptic number.

3971025659463 is a deficient number, since it is larger than the sum of its proper divisors (1504666042809).

3971025659463 is a wasteful number, since it uses less digits than its factorization.

3971025659463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710435.

The product of its (nonzero) digits is 36741600, while the sum is 60.

The spelling of 3971025659463 in words is "three trillion, nine hundred seventy-one billion, twenty-five million, six hundred fifty-nine thousand, four hundred sixty-three".