3250661621761 has 8 divisors (see below), whose sum is σ = 3295253584160. Its totient is φ = 3206071344672.

The previous prime is 3250661621749. The next prime is 3250661621773. The reversal of 3250661621761 is 1671261660523.

It is an interprime number because it is at equal distance from previous prime (3250661621749) and next prime (3250661621773).

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 3250661621761 - 2²³ = 3250653233153 is a prime.

It is a super-2 number, since 2×3250661621761² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3250661621161) 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, 3743146 + ... + 4529068.

It is an arithmetic number, because the mean of its divisors is an integer number (411906698020).

Almost surely, 2^{3250661621761} is an apocalyptic number.

It is an amenable number.

3250661621761 is a deficient number, since it is larger than the sum of its proper divisors (44591962399).

3250661621761 is an equidigital number, since it uses as much as digits as its factorization.

3250661621761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842655.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 3250661621761 in words is "three trillion, two hundred fifty billion, six hundred sixty-one million, six hundred twenty-one thousand, seven hundred sixty-one".