4190691045 has 32 divisors (see below), whose sum is σ = 6758593920. Its totient is φ = 2217277440.

The previous prime is 4190691031. The next prime is 4190691047. The reversal of 4190691045 is 5401960914.

It is not a de Polignac number, because 4190691045 - 2⁶ = 4190690981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4190690994 and 4190691012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4190691047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1064641 + ... + 1068569.

It is an arithmetic number, because the mean of its divisors is an integer number (211206060).

Almost surely, 2^4190691045 is an apocalyptic number.

It is an amenable number.

4190691045 is a deficient number, since it is larger than the sum of its proper divisors (2567902875).

4190691045 is a wasteful number, since it uses less digits than its factorization.

4190691045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 4190691045 is about 64735.5469969939. The cubic root of 4190691045 is about 1612.2357535865.

The spelling of 4190691045 in words is "four billion, one hundred ninety million, six hundred ninety-one thousand, forty-five".