1353953966 has 4 divisors (see below), whose sum is σ = 2030930952. Its totient is φ = 676976982.

The previous prime is 1353953963. The next prime is 1353953969. The reversal of 1353953966 is 6693593531.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1353953963) and next prime (1353953969).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353953963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338488490 + ... + 338488493.

It is an arithmetic number, because the mean of its divisors is an integer number (507732738).

Almost surely, 2^1353953966 is an apocalyptic number.

1353953966 is a deficient number, since it is larger than the sum of its proper divisors (676976986).

1353953966 is an equidigital number, since it uses as much as digits as its factorization.

1353953966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676976985.

The product of its digits is 1968300, while the sum is 50.

The square root of 1353953966 is about 36796.1134632450. The cubic root of 1353953966 is about 1106.2874004996.

The spelling of 1353953966 in words is "one billion, three hundred fifty-three million, nine hundred fifty-three thousand, nine hundred sixty-six".