4292157448081 has 4 divisors (see below), whose sum is σ = 4294921234212. Its totient is φ = 4289393661952.

The previous prime is 4292157448067. The next prime is 4292157448087. The reversal of 4292157448081 is 1808447512924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1576882947600 + 2715274500481 = 1255740^2 + 1647809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4292157448081 - 2¹⁹ = 4292156923793 is a prime.

It is a super-2 number, since 2×4292157448081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4292157448087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381890736 + ... + 1381893841.

It is an arithmetic number, because the mean of its divisors is an integer number (1073730308553).

Almost surely, 2^{4292157448081} is an apocalyptic number.

It is an amenable number.

4292157448081 is a deficient number, since it is larger than the sum of its proper divisors (2763786131).

4292157448081 is a wasteful number, since it uses less digits than its factorization.

4292157448081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763786130.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 4292157448081 in words is "four trillion, two hundred ninety-two billion, one hundred fifty-seven million, four hundred forty-eight thousand, eighty-one".