6157939693 has 2 divisors, whose sum is σ = 6157939694. Its totient is φ = 6157939692.

The previous prime is 6157939591. The next prime is 6157939709. The reversal of 6157939693 is 3969397516.

6157939693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5765820489 + 392119204 = 75933^2 + 19802^2 .

It is a cyclic number.

It is not a de Polignac number, because 6157939693 - 2²⁵ = 6124385261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6157939093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078969846 + 3078969847.

It is an arithmetic number, because the mean of its divisors is an integer number (3078969847).

Almost surely, 2^6157939693 is an apocalyptic number.

It is an amenable number.

6157939693 is a deficient number, since it is larger than the sum of its proper divisors (1).

6157939693 is an equidigital number, since it uses as much as digits as its factorization.

6157939693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8266860, while the sum is 58.

The square root of 6157939693 is about 78472.5410127645. The cubic root of 6157939693 is about 1832.9268950663.

The spelling of 6157939693 in words is "six billion, one hundred fifty-seven million, nine hundred thirty-nine thousand, six hundred ninety-three".