649036467 has 12 divisors (see below), whose sum is σ = 946099440. Its totient is φ = 428720688.

The previous prime is 649036441. The next prime is 649036483. The reversal of 649036467 is 764630946.

It is not a de Polignac number, because 649036467 - 2¹⁴ = 649020083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (649036667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329823 + ... + 331784.

It is an arithmetic number, because the mean of its divisors is an integer number (78841620).

Almost surely, 2^649036467 is an apocalyptic number.

649036467 is a deficient number, since it is larger than the sum of its proper divisors (297062973).

649036467 is a wasteful number, since it uses less digits than its factorization.

649036467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661722 (or 661719 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 649036467 is about 25476.1941231417. The cubic root of 649036467 is about 865.8108680482.

The spelling of 649036467 in words is "six hundred forty-nine million, thirty-six thousand, four hundred sixty-seven".