253943263071 has 12 divisors (see below), whose sum is σ = 366812312880. Its totient is φ = 169293026880.

The previous prime is 253943263069. The next prime is 253943263111. The reversal of 253943263071 is 170362349352.

253943263071 is a `hidden beast` number, since 2 + 5 + 3 + 9 + 4 + 3 + 2 + 630 + 7 + 1 = 666.

It is not a de Polignac number, because 253943263071 - 2¹ = 253943263069 is a prime.

It is a super-2 number, since 2×253943263071² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253943262071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611710 + ... + 939188.

It is an arithmetic number, because the mean of its divisors is an integer number (30567692740).

Almost surely, 2^253943263071 is an apocalyptic number.

253943263071 is a deficient number, since it is larger than the sum of its proper divisors (112869049809).

253943263071 is a wasteful number, since it uses less digits than its factorization.

253943263071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413646 (or 413643 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 253943263071 in words is "two hundred fifty-three billion, nine hundred forty-three million, two hundred sixty-three thousand, seventy-one".