1293485632 has 28 divisors (see below), whose sum is σ = 2578299136. Its totient is φ = 643835520.

The previous prime is 1293485621. The next prime is 1293485659. The reversal of 1293485632 is 2365843921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31044 + ... + 59587.

It is an arithmetic number, because the mean of its divisors is an integer number (92082112).

Almost surely, 2^1293485632 is an apocalyptic number.

It is an amenable number.

1293485632 is a deficient number, since it is larger than the sum of its proper divisors (1284813504).

1293485632 is an equidigital number, since it uses as much as digits as its factorization.

1293485632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90866 (or 90856 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 1293485632 is about 35965.0612678472. The cubic root of 1293485632 is about 1089.5668205493.

The spelling of 1293485632 in words is "one billion, two hundred ninety-three million, four hundred eighty-five thousand, six hundred thirty-two".