25541416379 has 2 divisors, whose sum is σ = 25541416380. Its totient is φ = 25541416378.

The previous prime is 25541416357. The next prime is 25541416409. The reversal of 25541416379 is 97361414552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25541416379 - 2²⁸ = 25272980923 is a prime.

It is not a weakly prime, because it can be changed into another prime (25541436379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12770708189 + 12770708190.

It is an arithmetic number, because the mean of its divisors is an integer number (12770708190).

Almost surely, 2^25541416379 is an apocalyptic number.

25541416379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25541416379 is an equidigital number, since it uses as much as digits as its factorization.

25541416379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The spelling of 25541416379 in words is "twenty-five billion, five hundred forty-one million, four hundred sixteen thousand, three hundred seventy-nine".