1046748021965 has 16 divisors (see below), whose sum is σ = 1297787956608. Its totient is φ = 809983008576.

The previous prime is 1046748021953. The next prime is 1046748021967. The reversal of 1046748021965 is 5691208476401.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1046748021965 is a prime.

It is a super-2 number, since 2×1046748021965² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046748021967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23611814 + ... + 23656103.

It is an arithmetic number, because the mean of its divisors is an integer number (81111747288).

Almost surely, 2^{1046748021965} is an apocalyptic number.

It is an amenable number.

1046748021965 is a deficient number, since it is larger than the sum of its proper divisors (251039934643).

1046748021965 is a wasteful number, since it uses less digits than its factorization.

1046748021965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47268068.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 1046748021965 in words is "one trillion, forty-six billion, seven hundred forty-eight million, twenty-one thousand, nine hundred sixty-five".