2539393953 has 16 divisors (see below), whose sum is σ = 3478842240. Its totient is φ = 1646476416.

The previous prime is 2539393951. The next prime is 2539393957. The reversal of 2539393953 is 3593939352.

It is not a de Polignac number, because 2539393953 - 2¹ = 2539393951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2539393896 and 2539393905.

It is not an unprimeable number, because it can be changed into a prime (2539393951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447508 + ... + 453146.

It is an arithmetic number, because the mean of its divisors is an integer number (217427640).

Almost surely, 2^2539393953 is an apocalyptic number.

It is an amenable number.

2539393953 is a deficient number, since it is larger than the sum of its proper divisors (939448287).

2539393953 is a wasteful number, since it uses less digits than its factorization.

2539393953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736.

The product of its digits is 2952450, while the sum is 51.

The square root of 2539393953 is about 50392.3997543280. The cubic root of 2539393953 is about 1364.3004645986.

The spelling of 2539393953 in words is "two billion, five hundred thirty-nine million, three hundred ninety-three thousand, nine hundred fifty-three".