248129251450 has 12 divisors (see below), whose sum is σ = 461520407790. Its totient is φ = 99251700560.

The previous prime is 248129251441. The next prime is 248129251451. The reversal of 248129251450 is 54152921842.

It can be written as a sum of positive squares in 3 ways, for example, as 97101415321 + 151027836129 = 311611^2 + 388623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 248129251397 and 248129251406.

It is not an unprimeable number, because it can be changed into a prime (248129251451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2481292465 + ... + 2481292564.

Almost surely, 2^248129251450 is an apocalyptic number.

248129251450 is a deficient number, since it is larger than the sum of its proper divisors (213391156340).

248129251450 is a wasteful number, since it uses less digits than its factorization.

248129251450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962585041 (or 4962585036 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 248129251450 in words is "two hundred forty-eight billion, one hundred twenty-nine million, two hundred fifty-one thousand, four hundred fifty".