25228500463 has 16 divisors (see below), whose sum is σ = 27014274144. Its totient is φ = 23477575680.

The previous prime is 25228500449. The next prime is 25228500487. The reversal of 25228500463 is 36400582252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25228500463 is a prime.

It is a super-2 number, since 2×25228500463² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25228500163) 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, 596431 + ... + 637327.

It is an arithmetic number, because the mean of its divisors is an integer number (1688392134).

Almost surely, 2^25228500463 is an apocalyptic number.

25228500463 is a deficient number, since it is larger than the sum of its proper divisors (1785773681).

25228500463 is a wasteful number, since it uses less digits than its factorization.

25228500463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41322.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 25228500463 in words is "twenty-five billion, two hundred twenty-eight million, five hundred thousand, four hundred sixty-three".