3543672157 has 2 divisors, whose sum is σ = 3543672158. Its totient is φ = 3543672156.

The previous prime is 3543672131. The next prime is 3543672199. The reversal of 3543672157 is 7512763453.

3543672157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2772443716 + 771228441 = 52654^2 + 27771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3543672157 is a prime.

It is a super-2 number, since 2×3543672157² = 25115224712594065298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3543672757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771836078 + 1771836079.

It is an arithmetic number, because the mean of its divisors is an integer number (1771836079).

Almost surely, 2^3543672157 is an apocalyptic number.

It is an amenable number.

3543672157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3543672157 is an equidigital number, since it uses as much as digits as its factorization.

3543672157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 43.

The square root of 3543672157 is about 59528.7506756189. The cubic root of 3543672157 is about 1524.5833719177.

The spelling of 3543672157 in words is "three billion, five hundred forty-three million, six hundred seventy-two thousand, one hundred fifty-seven".