3949426453 has 8 divisors (see below), whose sum is σ = 4519202240. Its totient is φ = 3381043680.

The previous prime is 3949426427. The next prime is 3949426463. The reversal of 3949426453 is 3546249493.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-3949426453 is a prime.

It is a super-2 number, since 2×3949426453² = 31195938615312322418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3949426397 and 3949426406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949426423) 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, 342168 + ... + 353521.

It is an arithmetic number, because the mean of its divisors is an integer number (564900280).

Almost surely, 2^3949426453 is an apocalyptic number.

It is an amenable number.

3949426453 is a deficient number, since it is larger than the sum of its proper divisors (569775787).

3949426453 is an equidigital number, since it uses as much as digits as its factorization.

3949426453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696507.

The product of its digits is 2799360, while the sum is 49.

The square root of 3949426453 is about 62844.4623892989. The cubic root of 3949426453 is about 1580.6826155014.

The spelling of 3949426453 in words is "three billion, nine hundred forty-nine million, four hundred twenty-six thousand, four hundred fifty-three".