264652145246 has 4 divisors (see below), whose sum is σ = 396978217872. Its totient is φ = 132326072622.

The previous prime is 264652145243. The next prime is 264652145249. The reversal of 264652145246 is 642541256462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (264652145243) and next prime (264652145249).

It is a self number, because there is not a number n which added to its sum of digits gives 264652145246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264652145243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66163036310 + ... + 66163036313.

It is an arithmetic number, because the mean of its divisors is an integer number (99244554468).

Almost surely, 2^264652145246 is an apocalyptic number.

264652145246 is a deficient number, since it is larger than the sum of its proper divisors (132326072626).

264652145246 is a wasteful number, since it uses less digits than its factorization.

264652145246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132326072625.

The product of its digits is 2764800, while the sum is 47.

The spelling of 264652145246 in words is "two hundred sixty-four billion, six hundred fifty-two million, one hundred forty-five thousand, two hundred forty-six".