245732670643 has 8 divisors (see below), whose sum is σ = 269159518080. Its totient is φ = 223302710400.

The previous prime is 245732670637. The next prime is 245732670649. The reversal of 245732670643 is 346076237542.

It is an interprime number because it is at equal distance from previous prime (245732670637) and next prime (245732670649).

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 245732670643 - 2¹³ = 245732662451 is a prime.

It is a super-2 number, since 2×245732670643² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245732670649) 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, 249221283 + ... + 249222268.

It is an arithmetic number, because the mean of its divisors is an integer number (33644939760).

Almost surely, 2^245732670643 is an apocalyptic number.

245732670643 is a deficient number, since it is larger than the sum of its proper divisors (23426847437).

245732670643 is a wasteful number, since it uses less digits than its factorization.

245732670643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498443597.

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 245732670643 in words is "two hundred forty-five billion, seven hundred thirty-two million, six hundred seventy thousand, six hundred forty-three".