245263253948 has 12 divisors (see below), whose sum is σ = 432590307072. Its totient is φ = 121666023360.

The previous prime is 245263253897. The next prime is 245263253959. The reversal of 245263253948 is 849352362542.

It is a happy number.

It is a super-2 number, since 2×245263253948² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245263253948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241400333 + ... + 241401348.

It is an arithmetic number, because the mean of its divisors is an integer number (36049192256).

Almost surely, 2^245263253948 is an apocalyptic number.

It is an amenable number.

245263253948 is a deficient number, since it is larger than the sum of its proper divisors (187327053124).

245263253948 is a wasteful number, since it uses less digits than its factorization.

245263253948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482801812 (or 482801810 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 53.

The spelling of 245263253948 in words is "two hundred forty-five billion, two hundred sixty-three million, two hundred fifty-three thousand, nine hundred forty-eight".