7421267865464 has 64 divisors (see below), whose sum is σ = 14289850310400. Its totient is φ = 3611099923200.

The previous prime is 7421267865449. The next prime is 7421267865491. The reversal of 7421267865464 is 4645687621247.

It is a junction number, because it is equal to n+sod(n) for n = 7421267865397 and 7421267865406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397296077 + ... + 397314755.

It is an arithmetic number, because the mean of its divisors is an integer number (223278911100).

Almost surely, 2^{7421267865464} is an apocalyptic number.

It is an amenable number.

7421267865464 is a deficient number, since it is larger than the sum of its proper divisors (6868582444936).

7421267865464 is a wasteful number, since it uses less digits than its factorization.

7421267865464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21684 (or 21680 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 62.

The spelling of 7421267865464 in words is "seven trillion, four hundred twenty-one billion, two hundred sixty-seven million, eight hundred sixty-five thousand, four hundred sixty-four".