3539673157 has 4 divisors (see below), whose sum is σ = 3552181120. Its totient is φ = 3527165196.

The previous prime is 3539673149. The next prime is 3539673161. The reversal of 3539673157 is 7513769353.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7513769353 = 47059 ⋅159667.

It is a cyclic number.

It is not a de Polignac number, because 3539673157 - 2³ = 3539673149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3539673157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3539773157) 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, 6253557 + ... + 6254122.

It is an arithmetic number, because the mean of its divisors is an integer number (888045280).

Almost surely, 2^3539673157 is an apocalyptic number.

It is an amenable number.

3539673157 is a deficient number, since it is larger than the sum of its proper divisors (12507963).

3539673157 is a wasteful number, since it uses less digits than its factorization.

3539673157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507962.

The product of its digits is 1786050, while the sum is 49.

The square root of 3539673157 is about 59495.1523823580. The cubic root of 3539673157 is about 1524.0096634905.

The spelling of 3539673157 in words is "three billion, five hundred thirty-nine million, six hundred seventy-three thousand, one hundred fifty-seven".