3451645997 has 2 divisors, whose sum is σ = 3451645998. Its totient is φ = 3451645996.

The previous prime is 3451645987. The next prime is 3451646053. The reversal of 3451645997 is 7995461543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3319372996 + 132273001 = 57614^2 + 11501^2 .

It is a cyclic number.

It is not a de Polignac number, because 3451645997 - 2²⁰ = 3450597421 is a prime.

It is a super-2 number, since 2×3451645997² = 23827720177212248018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3451645987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725822998 + 1725822999.

It is an arithmetic number, because the mean of its divisors is an integer number (1725822999).

Almost surely, 2^3451645997 is an apocalyptic number.

It is an amenable number.

3451645997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3451645997 is an equidigital number, since it uses as much as digits as its factorization.

3451645997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The square root of 3451645997 is about 58750.7106084684. The cubic root of 3451645997 is about 1511.2700740701.

The spelling of 3451645997 in words is "three billion, four hundred fifty-one million, six hundred forty-five thousand, nine hundred ninety-seven".