3480672080621 has 2 divisors, whose sum is σ = 3480672080622. Its totient is φ = 3480672080620.

The previous prime is 3480672080579. The next prime is 3480672080659. The reversal of 3480672080621 is 1260802760843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2554208079721 + 926464000900 = 1598189^2 + 962530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3480672080621 is a prime.

It is a super-2 number, since 2×3480672080621² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3480672080681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740336040310 + 1740336040311.

It is an arithmetic number, because the mean of its divisors is an integer number (1740336040311).

Almost surely, 2^{3480672080621} is an apocalyptic number.

It is an amenable number.

3480672080621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3480672080621 is an equidigital number, since it uses as much as digits as its factorization.

3480672080621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 3480672080621 in words is "three trillion, four hundred eighty billion, six hundred seventy-two million, eighty thousand, six hundred twenty-one".