2145003969 has 8 divisors (see below), whose sum is σ = 2913967872. Its totient is φ = 1403021360.

The previous prime is 2145003953. The next prime is 2145003977. The reversal of 2145003969 is 9693005412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145003969 - 2⁴ = 2145003953 is a prime.

It is a super-2 number, since 2×2145003969² = 9202084054051505922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145003919) 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, 6745137 + ... + 6745454.

It is an arithmetic number, because the mean of its divisors is an integer number (364245984).

Almost surely, 2^2145003969 is an apocalyptic number.

It is an amenable number.

2145003969 is a deficient number, since it is larger than the sum of its proper divisors (768963903).

2145003969 is a wasteful number, since it uses less digits than its factorization.

2145003969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13490647.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 2145003969 is about 46314.1875562986. The cubic root of 2145003969 is about 1289.6623856584.

The spelling of 2145003969 in words is "two billion, one hundred forty-five million, three thousand, nine hundred sixty-nine".