235972493107081 has 4 divisors (see below), whose sum is σ = 237535224849664. Its totient is φ = 234409761364500.

The previous prime is 235972493106997. The next prime is 235972493107093. The reversal of 235972493107081 is 180701394279532.

235972493107081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235972493107081 - 2¹⁷ = 235972492976009 is a prime.

It is a super-2 number, since 2×235972493107081² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235972493147081) 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, 781365871065 + ... + 781365871366.

It is an arithmetic number, because the mean of its divisors is an integer number (59383806212416).

Almost surely, 2^{235972493107081} is an apocalyptic number.

It is an amenable number.

235972493107081 is a deficient number, since it is larger than the sum of its proper divisors (1562731742583).

235972493107081 is a wasteful number, since it uses less digits than its factorization.

235972493107081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562731742582.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 235972493107081 in words is "two hundred thirty-five trillion, nine hundred seventy-two billion, four hundred ninety-three million, one hundred seven thousand, eighty-one".