3958507493 has 16 divisors (see below), whose sum is σ = 4107775680. Its totient is φ = 3811683456.

The previous prime is 3958507457. The next prime is 3958507499. The reversal of 3958507493 is 3947058593.

It is a cyclic number.

It is not a de Polignac number, because 3958507493 - 2²² = 3954313189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958507499) 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 15 ways as a sum of consecutive naturals, for example, 1502105 + ... + 1504737.

It is an arithmetic number, because the mean of its divisors is an integer number (256735980).

Almost surely, 2^3958507493 is an apocalyptic number.

It is an amenable number.

3958507493 is a deficient number, since it is larger than the sum of its proper divisors (149268187).

3958507493 is a wasteful number, since it uses less digits than its factorization.

3958507493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The square root of 3958507493 is about 62916.6710260484. The cubic root of 3958507493 is about 1581.8931924921.

The spelling of 3958507493 in words is "three billion, nine hundred fifty-eight million, five hundred seven thousand, four hundred ninety-three".