287432903049 has 16 divisors (see below), whose sum is σ = 384511929984. Its totient is φ = 190988912000.

The previous prime is 287432903039. The next prime is 287432903071. The reversal of 287432903049 is 940309234782.

It is a cyclic number.

It is not a de Polignac number, because 287432903049 - 2²⁴ = 287416125833 is a prime.

It is a super-3 number, since 3×287432903049³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 287432902992 and 287432903010.

It is not an unprimeable number, because it can be changed into a prime (287432903039) 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, 1023199 + ... + 1273499.

It is an arithmetic number, because the mean of its divisors is an integer number (24031995624).

Almost surely, 2^287432903049 is an apocalyptic number.

It is an amenable number.

287432903049 is a deficient number, since it is larger than the sum of its proper divisors (97079026935).

287432903049 is a wasteful number, since it uses less digits than its factorization.

287432903049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251568.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 287432903049 in words is "two hundred eighty-seven billion, four hundred thirty-two million, nine hundred three thousand, forty-nine".