25903249363 has 4 divisors (see below), whose sum is σ = 25904279128. Its totient is φ = 25902219600.

The previous prime is 25903249331. The next prime is 25903249369. The reversal of 25903249363 is 36394230952.

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

It is a cyclic number.

It is not a de Polignac number, because 25903249363 - 2⁵ = 25903249331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25903249369) 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, 476181 + ... + 527782.

It is an arithmetic number, because the mean of its divisors is an integer number (6476069782).

Almost surely, 2^25903249363 is an apocalyptic number.

25903249363 is a deficient number, since it is larger than the sum of its proper divisors (1029765).

25903249363 is a wasteful number, since it uses less digits than its factorization.

25903249363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029764.

The product of its (nonzero) digits is 1049760, while the sum is 46.

The spelling of 25903249363 in words is "twenty-five billion, nine hundred three million, two hundred forty-nine thousand, three hundred sixty-three".