13045722690 has 384 divisors, whose sum is σ = 43016311296. Its totient is φ = 2463436800.

The previous prime is 13045722689. The next prime is 13045722707. The reversal of 13045722690 is 9622754031.

It is a super-2 number, since 2×13045722690² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24113820 + ... + 24114360.

It is an arithmetic number, because the mean of its divisors is an integer number (112021644).

Almost surely, 2^13045722690 is an apocalyptic number.

13045722690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13045722690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21508155648).

13045722690 is an abundant number, since it is smaller than the sum of its proper divisors (29970588606).

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

13045722690 is a wasteful number, since it uses less digits than its factorization.

13045722690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 13045722690 in words is "thirteen billion, forty-five million, seven hundred twenty-two thousand, six hundred ninety".