4194922545 has 96 divisors (see below), whose sum is σ = 8190599040. Its totient is φ = 1968261120.

The previous prime is 4194922541. The next prime is 4194922547. The reversal of 4194922545 is 5452294914.

4194922545 is a `hidden beast` number, since 4 + 19 + 4 + 92 + 2 + 545 = 666.

It is not a de Polignac number, because 4194922545 - 2² = 4194922541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4194922545.

It is not an unprimeable number, because it can be changed into a prime (4194922541) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4157001 + ... + 4158009.

It is an arithmetic number, because the mean of its divisors is an integer number (85318740).

Almost surely, 2^4194922545 is an apocalyptic number.

4194922545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4194922545 is a deficient number, since it is larger than the sum of its proper divisors (3995676495).

4194922545 is a wasteful number, since it uses less digits than its factorization.

4194922545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1292 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 4194922545 is about 64768.2217217672. The cubic root of 4194922545 is about 1612.7782162816.

The spelling of 4194922545 in words is "four billion, one hundred ninety-four million, nine hundred twenty-two thousand, five hundred forty-five".