264691049 has 8 divisors (see below), whose sum is σ = 303363840. Its totient is φ = 226233216.

The previous prime is 264691027. The next prime is 264691093. The reversal of 264691049 is 940196462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264691049 - 2¹² = 264686953 is a prime.

It is a super-2 number, since 2×264691049² = 140122702841440802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264690997 and 264691015.

It is not an unprimeable number, because it can be changed into a prime (264691019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51089 + ... + 56030.

It is an arithmetic number, because the mean of its divisors is an integer number (37920480).

Almost surely, 2^264691049 is an apocalyptic number.

It is an amenable number.

264691049 is a deficient number, since it is larger than the sum of its proper divisors (38672791).

264691049 is a wasteful number, since it uses less digits than its factorization.

264691049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107479.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 264691049 is about 16269.3284741565. The cubic root of 264691049 is about 642.0661165462.

The spelling of 264691049 in words is "two hundred sixty-four million, six hundred ninety-one thousand, forty-nine".