1953450069 has 8 divisors (see below), whose sum is σ = 2635981152. Its totient is φ = 1286609520.

The previous prime is 1953450019. The next prime is 1953450071. The reversal of 1953450069 is 9600543591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1953450069 - 2¹⁶ = 1953384533 is a prime.

It is a super-2 number, since 2×1953450069² = 7631934344152209522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1953450069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953450019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922342 + ... + 3922839.

It is an arithmetic number, because the mean of its divisors is an integer number (329497644).

Almost surely, 2^1953450069 is an apocalyptic number.

It is an amenable number.

1953450069 is a deficient number, since it is larger than the sum of its proper divisors (682531083).

1953450069 is an equidigital number, since it uses as much as digits as its factorization.

1953450069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845267.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 1953450069 is about 44197.8514070537. The cubic root of 1953450069 is about 1250.0693442064.

The spelling of 1953450069 in words is "one billion, nine hundred fifty-three million, four hundred fifty thousand, sixty-nine".