7742849511 has 16 divisors (see below), whose sum is σ = 10611500000. Its totient is φ = 5018277888.

The previous prime is 7742849503. The next prime is 7742849531. The reversal of 7742849511 is 1159482477.

It is not a de Polignac number, because 7742849511 - 2³ = 7742849503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742849531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110715 + ... + 166563.

It is an arithmetic number, because the mean of its divisors is an integer number (663218750).

Almost surely, 2^7742849511 is an apocalyptic number.

7742849511 is a deficient number, since it is larger than the sum of its proper divisors (2868650489).

7742849511 is a wasteful number, since it uses less digits than its factorization.

7742849511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57138.

The product of its digits is 564480, while the sum is 48.

The square root of 7742849511 is about 87993.4628878759. The cubic root of 7742849511 is about 1978.3369969100.

The spelling of 7742849511 in words is "seven billion, seven hundred forty-two million, eight hundred forty-nine thousand, five hundred eleven".