2169951045 has 8 divisors (see below), whose sum is σ = 3471921696. Its totient is φ = 1157307216.

The previous prime is 2169951041. The next prime is 2169951053. The reversal of 2169951045 is 5401599612.

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

It is not a de Polignac number, because 2169951045 - 2² = 2169951041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2169950988 and 2169951006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169951041) 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, 72331687 + ... + 72331716.

It is an arithmetic number, because the mean of its divisors is an integer number (433990212).

Almost surely, 2^2169951045 is an apocalyptic number.

It is an amenable number.

2169951045 is a deficient number, since it is larger than the sum of its proper divisors (1301970651).

2169951045 is a wasteful number, since it uses less digits than its factorization.

2169951045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144663411.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 2169951045 is about 46582.7333354323. The cubic root of 2169951045 is about 1294.6428545594.

The spelling of 2169951045 in words is "two billion, one hundred sixty-nine million, nine hundred fifty-one thousand, forty-five".