1964930193 has 24 divisors (see below), whose sum is σ = 3075085728. Its totient is φ = 1204221312.

The previous prime is 1964930167. The next prime is 1964930287. The reversal of 1964930193 is 3910394691.

It is not a de Polignac number, because 1964930193 - 2⁵ = 1964930161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1964930393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142755 + ... + 155912.

It is an arithmetic number, because the mean of its divisors is an integer number (128128572).

Almost surely, 2^1964930193 is an apocalyptic number.

It is an amenable number.

1964930193 is a deficient number, since it is larger than the sum of its proper divisors (1110155535).

1964930193 is a wasteful number, since it uses less digits than its factorization.

1964930193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298733 (or 298730 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 1964930193 is about 44327.5331255869. The cubic root of 1964930193 is about 1252.5133841064.

The spelling of 1964930193 in words is "one billion, nine hundred sixty-four million, nine hundred thirty thousand, one hundred ninety-three".