4294161538 has 16 divisors (see below), whose sum is σ = 6861949920. Its totient is φ = 2009568096.

The previous prime is 4294161451. The next prime is 4294161559. The reversal of 4294161538 is 8351614924.

It is a junction number, because it is equal to n+sod(n) for n = 4294161494 and 4294161503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677595 + ... + 683902.

It is an arithmetic number, because the mean of its divisors is an integer number (428871870).

Almost surely, 2^4294161538 is an apocalyptic number.

4294161538 is a deficient number, since it is larger than the sum of its proper divisors (2567788382).

4294161538 is a wasteful number, since it uses less digits than its factorization.

4294161538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361601.

The product of its digits is 207360, while the sum is 43.

The square root of 4294161538 is about 65529.8522659711. The cubic root of 4294161538 is about 1625.3970202149.

The spelling of 4294161538 in words is "four billion, two hundred ninety-four million, one hundred sixty-one thousand, five hundred thirty-eight".