1969955475 has 24 divisors (see below), whose sum is σ = 3269409792. Its totient is φ = 1046637600.

The previous prime is 1969955467. The next prime is 1969955489. The reversal of 1969955475 is 5745599691.

It is not a de Polignac number, because 1969955475 - 2³ = 1969955467 is a prime.

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, 30211 + ... + 69660.

It is an arithmetic number, because the mean of its divisors is an integer number (136225408).

Almost surely, 2^1969955475 is an apocalyptic number.

1969955475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1969955475 is a deficient number, since it is larger than the sum of its proper divisors (1299454317).

1969955475 is a wasteful number, since it uses less digits than its factorization.

1969955475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100147 (or 100142 counting only the distinct ones).

The product of its digits is 15309000, while the sum is 60.

The square root of 1969955475 is about 44384.1804588076. The cubic root of 1969955475 is about 1253.5802370651.

The spelling of 1969955475 in words is "one billion, nine hundred sixty-nine million, nine hundred fifty-five thousand, four hundred seventy-five".