1468967644 has 12 divisors (see below), whose sum is σ = 2571630768. Its totient is φ = 734216000.

The previous prime is 1468967641. The next prime is 1468967659. The reversal of 1468967644 is 4467698641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1468967641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54352 + ... + 76759.

It is an arithmetic number, because the mean of its divisors is an integer number (214302564).

Almost surely, 2^1468967644 is an apocalyptic number.

It is an amenable number.

1468967644 is a deficient number, since it is larger than the sum of its proper divisors (1102663124).

1468967644 is a wasteful number, since it uses less digits than its factorization.

1468967644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133916 (or 133914 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The square root of 1468967644 is about 38327.1136925284. The cubic root of 1468967644 is about 1136.7651302100.

The spelling of 1468967644 in words is "one billion, four hundred sixty-eight million, nine hundred sixty-seven thousand, six hundred forty-four".