1254764064650 has 24 divisors (see below), whose sum is σ = 2409147007104. Its totient is φ = 485715121200.

The previous prime is 1254764064641. The next prime is 1254764064667. The reversal of 1254764064650 is 564604674521.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404761052 + ... + 404764151.

It is an arithmetic number, because the mean of its divisors is an integer number (100381125296).

Almost surely, 2^{1254764064650} is an apocalyptic number.

1254764064650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254764064650 is a deficient number, since it is larger than the sum of its proper divisors (1154382942454).

1254764064650 is a wasteful number, since it uses less digits than its factorization.

1254764064650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809525246 (or 809525241 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 1254764064650 in words is "one trillion, two hundred fifty-four billion, seven hundred sixty-four million, sixty-four thousand, six hundred fifty".