469949651 has 4 divisors (see below), whose sum is σ = 469993272.
Its totient is φ = 469906032.
The previous prime is 469949633. The next prime is 469949653. The reversal of 469949651 is 156949964.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 469949651 - 26 = 469949587 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 469949593 and 469949602.
It is not an unprimeable number, because it can be changed into a prime (469949653) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7316 + ... + 31518.
It is an arithmetic number, because the mean of its divisors is an integer number (117498318).
Almost surely, 2469949651 is an apocalyptic number.
469949651 is a deficient number, since it is larger than the sum of its proper divisors (43621).
469949651 is a wasteful number, since it uses less digits than its factorization.
469949651 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43620.
The product of its digits is 2099520, while the sum is 53.
The square root of 469949651 is about 21678.3221444834.
The cubic root of 469949651 is about 777.4702454469.
The spelling of 469949651 in words is "four hundred sixty-nine million, nine hundred forty-nine thousand, six hundred fifty-one".