3953957245 has 12 divisors (see below), whose sum is σ = 5519401884. Its totient is φ = 2711284800.

The previous prime is 3953957239. The next prime is 3953957261. The reversal of 3953957245 is 5427593593.

It can be written as a sum of positive squares in 2 ways, for example, as 840652036 + 3113305209 = 28994^2 + 55797^2 .

It is not a de Polignac number, because 3953957245 - 2⁵ = 3953957213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3953957192 and 3953957201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8069056 + ... + 8069545.

It is an arithmetic number, because the mean of its divisors is an integer number (459950157).

Almost surely, 2^3953957245 is an apocalyptic number.

3953957245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3953957245 is a deficient number, since it is larger than the sum of its proper divisors (1565444639).

3953957245 is a wasteful number, since it uses less digits than its factorization.

3953957245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138620 (or 16138613 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 52.

The square root of 3953957245 is about 62880.4997197064. The cubic root of 3953957245 is about 1581.2868388674.

The spelling of 3953957245 in words is "three billion, nine hundred fifty-three million, nine hundred fifty-seven thousand, two hundred forty-five".