3541950721 has 8 divisors (see below), whose sum is σ = 3815076320. Its totient is φ = 3277495872.

The previous prime is 3541950703. The next prime is 3541950739. The reversal of 3541950721 is 1270591453.

It is an interprime number because it is at equal distance from previous prime (3541950703) and next prime (3541950739).

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 3541950721 - 2⁷ = 3541950593 is a prime.

It is a super-3 number, since 3×3541950721³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3541950791) 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, 2166840 + ... + 2168473.

It is an arithmetic number, because the mean of its divisors is an integer number (476884540).

Almost surely, 2^3541950721 is an apocalyptic number.

It is an amenable number.

3541950721 is a deficient number, since it is larger than the sum of its proper divisors (273125599).

3541950721 is a wasteful number, since it uses less digits than its factorization.

3541950721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335375.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 3541950721 is about 59514.2900570947. The cubic root of 3541950721 is about 1524.3364625283.

The spelling of 3541950721 in words is "three billion, five hundred forty-one million, nine hundred fifty thousand, seven hundred twenty-one".