3953749254 has 144 divisors (see below), whose sum is σ = 10334621952. Its totient is φ = 987225408.

The previous prime is 3953749253. The next prime is 3953749291. The reversal of 3953749254 is 4529473593.

It is a junction number, because it is equal to n+sod(n) for n = 3953749197 and 3953749206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953749253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2561607 + ... + 2563149.

It is an arithmetic number, because the mean of its divisors is an integer number (71768208).

Almost surely, 2^3953749254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3953749254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5167310976).

3953749254 is an abundant number, since it is smaller than the sum of its proper divisors (6380872698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3953749254 is a wasteful number, since it uses less digits than its factorization.

3953749254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1587 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 51.

The square root of 3953749254 is about 62878.8458386443. The cubic root of 3953749254 is about 1581.2591114391.

The spelling of 3953749254 in words is "three billion, nine hundred fifty-three million, seven hundred forty-nine thousand, two hundred fifty-four".