10649764530 has 48 divisors (see below), whose sum is σ = 27697235904. Its totient is φ = 2839132320.

The previous prime is 10649764507. The next prime is 10649764553. The reversal of 10649764530 is 3546794601.

10649764530 is a `hidden beast` number, since 1 + 0 + 6 + 49 + 76 + 4 + 530 = 666.

It is an interprime number because it is at equal distance from previous prime (10649764507) and next prime (10649764553).

It is a super-2 number, since 2×10649764530² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345865 + ... + 375395.

It is an arithmetic number, because the mean of its divisors is an integer number (577025748).

Almost surely, 2^10649764530 is an apocalyptic number.

10649764530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10649764530 is an abundant number, since it is smaller than the sum of its proper divisors (17047471374).

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

10649764530 is a wasteful number, since it uses less digits than its factorization.

10649764530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33551 (or 33548 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 10649764530 in words is "ten billion, six hundred forty-nine million, seven hundred sixty-four thousand, five hundred thirty".