6142949069 has 4 divisors (see below), whose sum is σ = 6234634944. Its totient is φ = 6051263196.

The previous prime is 6142948993. The next prime is 6142949093. The reversal of 6142949069 is 9609492416.

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.

It is a cyclic number.

It is not a de Polignac number, because 6142949069 - 2¹⁶ = 6142883533 is a prime.

It is a super-2 number, since 2×6142949069² = 75471646528655933522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142549069) 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, 45842837 + ... + 45842970.

It is an arithmetic number, because the mean of its divisors is an integer number (1558658736).

Almost surely, 2^6142949069 is an apocalyptic number.

It is an amenable number.

6142949069 is a deficient number, since it is larger than the sum of its proper divisors (91685875).

6142949069 is an equidigital number, since it uses as much as digits as its factorization.

6142949069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91685874.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 6142949069 is about 78376.9677201153. The cubic root of 6142949069 is about 1831.4383536858.

The spelling of 6142949069 in words is "six billion, one hundred forty-two million, nine hundred forty-nine thousand, sixty-nine".