4075861397 has 4 divisors (see below), whose sum is σ = 4076520096. Its totient is φ = 4075202700.

The previous prime is 4075861393. The next prime is 4075861403. The reversal of 4075861397 is 7931685704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4075861397 - 2² = 4075861393 is a prime.

It is a super-2 number, since 2×4075861397² = 33225292255109583218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4075861393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319979 + ... + 332472.

It is an arithmetic number, because the mean of its divisors is an integer number (1019130024).

Almost surely, 2^4075861397 is an apocalyptic number.

It is an amenable number.

4075861397 is a deficient number, since it is larger than the sum of its proper divisors (658699).

4075861397 is an equidigital number, since it uses as much as digits as its factorization.

4075861397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658698.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 4075861397 is about 63842.4732995206. The cubic root of 4075861397 is about 1597.3734767869.

The spelling of 4075861397 in words is "four billion, seventy-five million, eight hundred sixty-one thousand, three hundred ninety-seven".