1293465648 has 40 divisors (see below), whose sum is σ = 3372694848. Its totient is φ = 427124032.

The previous prime is 1293465637. The next prime is 1293465661. The reversal of 1293465648 is 8465643921.

It is a super-3 number, since 3×1293465648³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1293465597 and 1293465606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120786 + ... + 131057.

Almost surely, 2^1293465648 is an apocalyptic number.

It is an amenable number.

1293465648 is an abundant number, since it is smaller than the sum of its proper divisors (2079229200).

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

1293465648 is a wasteful number, since it uses less digits than its factorization.

1293465648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251961 (or 251955 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 1293465648 is about 35964.7834415835. The cubic root of 1293465648 is about 1089.5612093504.

The spelling of 1293465648 in words is "one billion, two hundred ninety-three million, four hundred sixty-five thousand, six hundred forty-eight".