3942772493 has 16 divisors (see below), whose sum is σ = 4490640000. Its totient is φ = 3426646080.

The previous prime is 3942772453. The next prime is 3942772499.

3942772493 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-3942772493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942772499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692663 + ... + 698331.

It is an arithmetic number, because the mean of its divisors is an integer number (280665000).

Almost surely, 2^3942772493 is an apocalyptic number.

It is an amenable number.

3942772493 is a deficient number, since it is larger than the sum of its proper divisors (547867507).

3942772493 is a wasteful number, since it uses less digits than its factorization.

3942772493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452.

The product of its digits is 2286144, while the sum is 50.

The square root of 3942772493 is about 62791.5001652294. The cubic root of 3942772493 is about 1579.7944096380.

The spelling of 3942772493 in words is "three billion, nine hundred forty-two million, seven hundred seventy-two thousand, four hundred ninety-three".