3946267501 has 18 divisors (see below), whose sum is σ = 4385444910. Its totient is φ = 3548104560.

The previous prime is 3946267469. The next prime is 3946267517. The reversal of 3946267501 is 1057626493.

It can be written as a sum of positive squares in only one way, i.e., 3620428900 + 325838601 = 60170^2 + 18051^2 .

It is not a de Polignac number, because 3946267501 - 2⁵ = 3946267469 is a prime.

It is a super-3 number, since 3×3946267501³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946267561) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 7214110 + ... + 7214656.

Almost surely, 2^3946267501 is an apocalyptic number.

It is an amenable number.

3946267501 is a deficient number, since it is larger than the sum of its proper divisors (439177409).

3946267501 is an equidigital number, since it uses as much as digits as its factorization.

3946267501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 3946267501 is about 62819.3242641148. The cubic root of 3946267501 is about 1580.2610663254.

The spelling of 3946267501 in words is "three billion, nine hundred forty-six million, two hundred sixty-seven thousand, five hundred one".