1930971475 has 12 divisors (see below), whose sum is σ = 2397346560. Its totient is φ = 1542879200.

The previous prime is 1930971461. The next prime is 1930971479. The reversal of 1930971475 is 5741790391.

It is a de Polignac number, because none of the positive numbers 2^k-1930971475 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1930971479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26515 + ... + 67564.

It is an arithmetic number, because the mean of its divisors is an integer number (199778880).

Almost surely, 2^1930971475 is an apocalyptic number.

1930971475 is a deficient number, since it is larger than the sum of its proper divisors (466375085).

1930971475 is an equidigital number, since it uses as much as digits as its factorization.

1930971475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94910 (or 94905 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 1930971475 is about 43942.8205171220. The cubic root of 1930971475 is about 1245.2559325033.

The spelling of 1930971475 in words is "one billion, nine hundred thirty million, nine hundred seventy-one thousand, four hundred seventy-five".