1010813650 has 72 divisors (see below), whose sum is σ = 2385958896. Its totient is φ = 315050400.

The previous prime is 1010813603. The next prime is 1010813651. The reversal of 1010813650 is 563180101.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1010813651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8197 + ... + 45703.

It is an arithmetic number, because the mean of its divisors is an integer number (33138318).

Almost surely, 2^1010813650 is an apocalyptic number.

1010813650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010813650 is an abundant number, since it is smaller than the sum of its proper divisors (1375145246).

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

1010813650 is a wasteful number, since it uses less digits than its factorization.

1010813650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37544 (or 37532 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1010813650 is about 31793.2956769191. The cubic root of 1010813650 is about 1003.5916347162.

Adding to 1010813650 its reverse (563180101), we get a palindrome (1573993751).

The spelling of 1010813650 in words is "one billion, ten million, eight hundred thirteen thousand, six hundred fifty".