13381420250 has 96 divisors (see below), whose sum is σ = 27704306448. Its totient is φ = 4835952000.

The previous prime is 13381420249. The next prime is 13381420253. The reversal of 13381420250 is 5202418331.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1881217129 + 11500203121 = 43373^2 + 107239^2 .

It is a super-2 number, since 2×13381420250² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381420253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5231972 + ... + 5234528.

Almost surely, 2^13381420250 is an apocalyptic number.

13381420250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13381420250 is an abundant number, since it is smaller than the sum of its proper divisors (14322886198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13381420250 is a wasteful number, since it uses less digits than its factorization.

13381420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 13381420250 its reverse (5202418331), we get a palindrome (18583838581).

The spelling of 13381420250 in words is "thirteen billion, three hundred eighty-one million, four hundred twenty thousand, two hundred fifty".