3974511481 has 8 divisors (see below), whose sum is σ = 4391276544. Its totient is φ = 3578076480.

The previous prime is 3974511461. The next prime is 3974511503. The reversal of 3974511481 is 1841154793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3974511481 - 2¹⁵ = 3974478713 is a prime.

It is a super-2 number, since 2×3974511481² = 31593483025201626722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974511461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5082105 + ... + 5082886.

It is an arithmetic number, because the mean of its divisors is an integer number (548909568).

Almost surely, 2^3974511481 is an apocalyptic number.

It is an amenable number.

3974511481 is a deficient number, since it is larger than the sum of its proper divisors (416765063).

3974511481 is a wasteful number, since it uses less digits than its factorization.

3974511481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165031.

The product of its digits is 120960, while the sum is 43.

The square root of 3974511481 is about 63043.7267378761. The cubic root of 3974511481 is about 1584.0221563631.

The spelling of 3974511481 in words is "three billion, nine hundred seventy-four million, five hundred eleven thousand, four hundred eighty-one".