3420545320025 has 12 divisors (see below), whose sum is σ = 4280388825900. Its totient is φ = 2711331334080.

The previous prime is 3420545319991. The next prime is 3420545320033. The reversal of 3420545320025 is 5200235450243.

It can be written as a sum of positive squares in 6 ways, for example, as 86229147904 + 3334316172121 = 293648^2 + 1826011^2 .

It is not a de Polignac number, because 3420545320025 - 2⁸ = 3420545319769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627620270 + ... + 627625719.

It is an arithmetic number, because the mean of its divisors is an integer number (356699068825).

Almost surely, 2^{3420545320025} is an apocalyptic number.

It is an amenable number.

3420545320025 is a deficient number, since it is larger than the sum of its proper divisors (859843505875).

3420545320025 is a wasteful number, since it uses less digits than its factorization.

3420545320025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255246108 (or 1255246103 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 3420545320025 in words is "three trillion, four hundred twenty billion, five hundred forty-five million, three hundred twenty thousand, twenty-five".