3957364445 has 4 divisors (see below), whose sum is σ = 4748837340. Its totient is φ = 3165891552.

The previous prime is 3957364379. The next prime is 3957364469. The reversal of 3957364445 is 5444637593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2523454756 + 1433909689 = 50234^2 + 37867^2 .

It is a cyclic number.

It is not a de Polignac number, because 3957364445 - 2¹² = 3957360349 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3957364393 and 3957364402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395736440 + ... + 395736449.

It is an arithmetic number, because the mean of its divisors is an integer number (1187209335).

Almost surely, 2^3957364445 is an apocalyptic number.

It is an amenable number.

3957364445 is a deficient number, since it is larger than the sum of its proper divisors (791472895).

3957364445 is an equidigital number, since it uses as much as digits as its factorization.

3957364445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791472894.

The product of its digits is 5443200, while the sum is 50.

The square root of 3957364445 is about 62907.5865456624. The cubic root of 3957364445 is about 1581.7409167566.

The spelling of 3957364445 in words is "three billion, nine hundred fifty-seven million, three hundred sixty-four thousand, four hundred forty-five".