1301764650 has 48 divisors (see below), whose sum is σ = 3231141408. Its totient is φ = 346840000.

The previous prime is 1301764631. The next prime is 1301764657. The reversal of 1301764650 is 564671031.

It is not an unprimeable number, because it can be changed into a prime (1301764657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214660 + ... + 220640.

It is an arithmetic number, because the mean of its divisors is an integer number (67315446).

Almost surely, 2^1301764650 is an apocalyptic number.

1301764650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301764650 is an abundant number, since it is smaller than the sum of its proper divisors (1929376758).

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

1301764650 is a wasteful number, since it uses less digits than its factorization.

1301764650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447 (or 7442 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1301764650 is about 36079.9757483289. The cubic root of 1301764650 is about 1091.8864870804.

The spelling of 1301764650 in words is "one billion, three hundred one million, seven hundred sixty-four thousand, six hundred fifty".