1911742742 has 48 divisors (see below), whose sum is σ = 3609194400. Its totient is φ = 754660368.

The previous prime is 1911742739. The next prime is 1911742759. The reversal of 1911742742 is 2472471191.

It is a junction number, because it is equal to n+sod(n) for n = 1911742696 and 1911742705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4128803 + ... + 4129265.

It is an arithmetic number, because the mean of its divisors is an integer number (75191550).

Almost surely, 2^1911742742 is an apocalyptic number.

1911742742 is a deficient number, since it is larger than the sum of its proper divisors (1697451658).

1911742742 is an frugal number, since it uses more digits than its factorization.

1911742742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 485 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 1911742742 is about 43723.4804424350. The cubic root of 1911742742 is about 1241.1086906071.

The spelling of 1911742742 in words is "one billion, nine hundred eleven million, seven hundred forty-two thousand, seven hundred forty-two".