3540993647 has 8 divisors (see below), whose sum is σ = 3651921600. Its totient is φ = 3430867104.

The previous prime is 3540993629. The next prime is 3540993649. The reversal of 3540993647 is 7463990453.

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 3540993647 - 2²⁶ = 3473884783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3540993595 and 3540993604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540993649) 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, 191372 + ... + 209057.

It is an arithmetic number, because the mean of its divisors is an integer number (456490200).

Almost surely, 2^3540993647 is an apocalyptic number.

3540993647 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3540993647 is a deficient number, since it is larger than the sum of its proper divisors (110927953).

3540993647 is a wasteful number, since it uses less digits than its factorization.

3540993647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400705.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The square root of 3540993647 is about 59506.2488063229. The cubic root of 3540993647 is about 1524.1991526734.

The spelling of 3540993647 in words is "three billion, five hundred forty million, nine hundred ninety-three thousand, six hundred forty-seven".