3640233333451 has 32 divisors (see below), whose sum is σ = 4288123929600. Its totient is φ = 3046544887680.

The previous prime is 3640233333433. The next prime is 3640233333461. The reversal of 3640233333451 is 1543333320463.

It is a cyclic number.

It is not a de Polignac number, because 3640233333451 - 2⁷ = 3640233333323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3640233333461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116215170 + ... + 116246488.

It is an arithmetic number, because the mean of its divisors is an integer number (134003872800).

Almost surely, 2^{3640233333451} is an apocalyptic number.

3640233333451 is a deficient number, since it is larger than the sum of its proper divisors (647890596149).

3640233333451 is a wasteful number, since it uses less digits than its factorization.

3640233333451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33499.

The product of its (nonzero) digits is 699840, while the sum is 40.

The spelling of 3640233333451 in words is "three trillion, six hundred forty billion, two hundred thirty-three million, three hundred thirty-three thousand, four hundred fifty-one".