25464346403 has 2 divisors, whose sum is σ = 25464346404. Its totient is φ = 25464346402.

The previous prime is 25464346367. The next prime is 25464346441. The reversal of 25464346403 is 30464346452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25464346403 - 2²⁴ = 25447569187 is a prime.

It is not a weakly prime, because it can be changed into another prime (25464346603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12732173201 + 12732173202.

It is an arithmetic number, because the mean of its divisors is an integer number (12732173202).

Almost surely, 2^25464346403 is an apocalyptic number.

25464346403 is a deficient number, since it is larger than the sum of its proper divisors (1).

25464346403 is an equidigital number, since it uses as much as digits as its factorization.

25464346403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 25464346403 in words is "twenty-five billion, four hundred sixty-four million, three hundred forty-six thousand, four hundred three".